General Description
The HT86XXX series are 8-bit high performance microcontroller with voice synthesizer and tone generator. The HT86XXX is designed for applications on multiple I/Os with sound effects, such as voice and melody. It can provide various sampling rates and beats, tone levels, tempos for speech synthesizer and melody generator. It has a single built-in high quality, D/A output. There is an external interrupt which can be triggered with falling edge pulse or falling/rising edge pulse.
The HT86XXX is excellent for versatile voice and sound effect product applications. The efficient MCU instructions allow users to program the powerful custom applications. The system frequency of HT86XXX can be up to 8MHz under 2.4V and include a HALT function to reduce power consumption.

Features
*Operating voltage: 2.4V~5.2V
*System clock: 4MHz~8MHz
*Crystal or RC oscillator for system clock
*23 I/O pins with 4 shared pins included
*8K16-bit program ROM
*2088-bit RAM
*One external interrupt input
*Three 16-bit programmable timer counter and overflow interrupts
*12-bit high quality D/A output by transistor or HT82V733
*Built-in voice ROM in various capacity
*One optional 32768Hz crystal oscillator for RTC time base (8-bit counter with 3-bit prescaler)
*Watchdog Timer
*8-level subroutine nesting
*HALT function and wake-up feature reduce power consumption
*Up to 1s (0.5s) instruction cycle with 4MHz (8MHz) system clock
*Support 16-bit table read instruction (TBLP, TBHP)
*63 powerful and efficient instructions
*HT86072/144/192/384: 28-pin SOP, 100-pin QFP package
-HT86072/144/192: 44-pin QFP package
-HT86576/768: 32-pin SOP, 100-pin QFP package

Applications
*Intelligent educational leisure products
*Alert and warning systems
*High end leisure product controllers
*Sound effect generators

HT86072, HT86144, HT86192, HT86384, HT86576, HT86768

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General Description
The HT86R384 series are 8-bit high performance microcontroller with voice synthesizer and tone generator. The HT86R384 is designed for applications on multiple I/Os with sound effects, such as voice and melody. It can provide various sampling rates and beats, tone levels, tempos for speech synthesizer and melody generator. It has a single built-in high quality, D/A output. There is an external interrupt which can be triggered with falling edge pulse or falling/rising edge pulse.
The HT86R384 is excellent for versatile voice and sound effect product applications. The efficient MCU instructions allow users to program the powerful custom applications. The system frequency of HT86R384 can be up to 8MHz under 2.4V and include a HALT function to reduce power consumption.

Features
*Operating voltage: 2.4V~5.2V
*System clock: 4MHz~8MHz
*Crystal or RC oscillator for system clock
*23 I/O pins with 4 shared pins included
*8K16-bit program ROM
*2088-bit RAM
*8192K-bit voice ROM size
*384 sec voice length
*One external interrupt input
*Three 16-bit programmable timer counter and overflow interrupts
*12-bit high quality D/A output by transistor or HT82V733
*Built-in voice ROM in various capacity
*One optional 32768Hz crystal oscillator for RTC time base (8-bit counter with 3-bit prescaler)
*Watchdog Timer
*8-level subroutine nesting
*HALT function and wake-up feature reduce power consumption
*Up to 1s (0.5s) instruction cycle with 4MHz (8MHz) system clock
*Support 16-bit table read instruction (TBLP, TBHP)
*63 powerful and efficient instructions
*28-pin SOP package

Applications
*Intelligent educational leisure products
*Alert and warning systems
*High end leisure product controllers
*Sound effect generators

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Description
The EU101x is an OTP type 8-bit micro-controller with 2(EU1010)/4(EU1011) channels of 10-bit A/D converter using advanced CMOS process. The EU101x is specially designed for various industrial field applications. The EU101x incorporates two sets of 8-bit timer/counters, where timer0/1 is specially designed for PWM (Pulse Width Modulation) generator. There are 8 I/O ports and 12 I/O ports with EU1010 and EU1011, respectively. Considering form factor and manufacturability, the EU1010 is packaged into 10-pin non-JEDEC-standard compact-size SOP while the EU1011 is packaged into 14-pin non-JEDEC-standard compact-size SOP.

Features
*2.2V to 5.5V Input Voltage Range
*8 I/O ports in EU1010
*12 I/O ports in EU1011
*RAM size: 128 x 8 bits
*The STACK RAM is included.
*Program ROM size: 4K x 8 bits OTP
*10 bits A/D Converter input source.
-EU1010: 2 channels
-EU1011: 4 channels
*One set of 16-bit down count timer and one set of 8-bit timer.
*Operating temperature: -40 ~ +85 ℃
*Build-in Low Voltage Reset (LVR) circuit.
*Oscillator: Internal RC oscillation.

EU1011, EU1010-XX-SUR, EU1011-XX-SUR, EU1010-XX-SUT, EU1011-XX-SUT
TAG A/D, Converter, MCU

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Description
The T89C51AC2 is a high performance CMOS FLASH version of the 80C51 CMOS single chip 8-bit microcontrollers. It contains a 32Kbytes Flash memory block for program and data.
The 16K bytes or 32K bytes FLASH memory can be programmed either in parallel mode or in serial mode with the ISP capability or with software. The programming voltage is internally generated from the standard VCC pin.
The T89C51AC2 retains all features of the 80C52 with 256 bytes of internal RAM, a 7-source 4-level interrupt controller and three timer/counters.
In addition, the T89C51AC2 has a 10 bits A/D converter, a 2Kbytes Boot Flash Memory, 2 Kbytes EEPROM for data, a Programmable Counter Array, an XRAM of 1024 byte, a Hardware Watchdog Timer and a more versatile serial channel that facilitates multiprocessor communication (EUART).
The fully static design of the T89C51AC2 allows to reduce system power consumption by bringing the clock frequency down to any value, even DC, without loss of data.
The T89C51AC2 has 2 software-selectable modes of reduced activity and 8 bit clock prescaler for further reduction in power consumption. In the Idle mode the CPU is frozen while the peripherals and the interrupt system are still operating. In the power-down mode the RAM is saved and all other functions are inoperative.
The added features of the T89C51AC2 make it more powerful for applications that need A/D conversion, pulse width modulation, high speed I/O and counting capabilities such as industrial control, consumer goods, alarms, motor control, ...
While remaining fully compatible with the 80C51 it offers a superset of this standard microcontroller. In X2 mode a maximum external clock rate of 20 MHz reaches a 300 ns cycle time.

Features
*80C51 core architecture:
*256 bytes of on-chip RAM
*1Kbytes of on-chip XRAM
*32 Kbytes of on-chip Flash memory
*2 Kbytes of on-chip Flash for Bootloader
*2 Kbytes of on-chip EEPROM
*14-source 4-level interrupt
*Three 16-bit timer/counter
*Full duplex UART compatible 80C51
*maximum crystal frequency 40 MHz. In X2 mode, 20 MHz (CPU core, 40 MHz)
*Five ports: 32 + 2 digital I/O lines
*Five channel 16-bit PCA with:
- PWM (8-bit)
- High-speed output
- Timer and edge capture
*Double Data Pointer
*21 bit watchdog timer (including 7 programmable bits)
*A 10-bit resolution analog to digital converter (ADC) with 8 multiplexed inputs
*20 microsecond conversion time
*Two conversion modes
*On-chip emulation Logic (enhanced Hook system)
*Power saving modes:
*Idle mode
*Power down mode
*Power supply: 5V +/- 10% (or 3V** +/- 10%)
*Temperature range: Industrial (-40 to +85C)
*Packages: TQFP44, PLCC44

T89C51AC2-RLSC-M, T89C51AC2-SLSC-M, T89C51AC2-RLTC-M
TAG A/D, EEPROM, Flash, MCU

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PRODUCT DESCRIPTION
The SST89E5xRD2/RD and SST89V5xRD2/RD are members of the FlashFlex51 family of 8-bit microcontroller products designed and manufactured with SST’s patented and proprietary SuperFlash CMOS semiconductor process technology. The split-gate cell design and thick-oxide tunneling injector offer significant cost and reliability benefits for SST’s customers. The devices use the 8051 instruction set and are pin-for-pin compatible with standard 8051 microcontroller devices.
The devices come with 16/24/40 KByte of on-chip flash EEPROM program memory which is partitioned into 2 independent program memory blocks. The primary Block 0 occupies 8/16/32 KByte of internal program memory space and the secondary Block 1 occupies 8 KByte of internal
program memory space.
The 8-KByte secondary block can be mapped to the lowest location of the 8/16/32 KByte address space; it can also be hidden from the program counter and used as an independent EEPROM-like data memory.
In addition to the 16/24/40 KByte of EEPROM program memory on-chip, the devices can address up to 64 KByte of external program memory. In addition to 1024 x8 bits of on-chip RAM, up to 64 KByte of external RAM can be addressed.
The flash memory blocks can be programed via a standard 87C5x OTP EPROM programmer fitted with a special adapter and the firmware for SST’s devices. During poweron reset, the devices can be configured as either a slave to an external host for source code storage or a master to an external host for an in-application programming (IAP) operation. The devices are designed to be programmed in-system and in-application on the printed circuit board for maximum flexibility. The devices are pre-programmed with an example of the bootstrap loader in the memory, demonstrating the initial user program code loading or subsequent user code updating via the IAP operation. The sample bootstrap loader is available for the user’s reference and convenience only; SST does not guarantee its functionality or usefulness. Chip-Erase or Block-Erase operations will erase the pre-programmed sample code.

FEATURES
*8-bit 8051-Compatible Microcontroller (MCU) with Embedded SuperFlash Memory
– Fully Software Compatible
– Development Toolset Compatible
– Pin-For-Pin Package Compatible
*SST89E5xRD2 Operation
– 0 to 40 MHz at 5V
*SST89V5xRD2 Operation
– 0 to 33 MHz at 3V
*1 KByte Internal RAM
*Dual Block SuperFlash EEPROM
– 8/16/32 KByte primary block + 8 KByte secondary block (128-Byte sector size for both blocks)
– Individual Block Security Lock with SoftLock
– Concurrent Operation during In-Application Programming (IAP)
– Memory Overlay for Interrupt Support during IAP
*Support External Address Range up to 64 KByte of Program and Data Memory
*Three High-Current Drive Ports (16 mA each)
*Three 16-bit Timers/Counters
*Full-Duplex, Enhanced UART
– Framing Error Detection
– Automatic Address Recognition
*Ten Interrupt Sources at 4 Priority Levels
– Four External Interrupt Inputs
*Programmable Watchdog Timer (WDT)
*Programmable Counter Array (PCA)
*Four 8-bit I/O Ports (32 I/O Pins) and One 4-bit Port
*Second DPTR register
*Low EMI Mode (Inhibit ALE)
*SPI Serial Interface
*Standard 12 Clocks per cycle, the device has an option to double the speed to 6 clocks per cycle.
*TTL- and CMOS-Compatible Logic Levels
*Brown-out Detection
*Low Power Modes
– Power-down Mode with External Interrupt Wake-up
– Idle Mode
*Temperature Ranges:
– Commercial (0°C to +70°C)
– Industrial (-40°C to +85°C)
*Packages Available
– 40-contact WQFN (Port 4 feature not available)
– 44-lead PLCC
– 40-pin PDIP (Port 4 feature not available)
– 44-lead TQFP
*All non-Pb (lead-free) devices are RoHS compliant

SST89E52RD-40-C-PI, SST89E52RD-40-C-PIE, SST89E52RD-40-I-PI, SST89E52RD-40-I-PIE, SST89V52RD-33-C-PI, SST89V52RD-33-C-PIE, SST89V52RD-33-I-PI, SST89V52RD-33-I-PIE, SST89E54RD-40-C-PI, SST89E54RD-40-C-PIE, SST89E54RD-40-I-PI, SST89E54RD-40-I-PIE, SST89V54RD-33-C-PI, SST89V54RD-33-C-PIE, SST89V54RD-33-C-QIF, SST89V54RD-33-I-PI, SST89V54RD-33-I-PIE, SST89V54RD-33-I-QIF, SST89E58RD-40-C-PI, SST89E58RD-40-C-PIE, SST89E58RD-40-I-PI, SST89E58RD-40-I-PIE, SST89V58RD-33-C-PI, SST89V58RD-33-C-PIE, SST89V58RD-33-I-PI, SST89V58RD-33-I-PIE

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DESCRIPTION
*Analog Peripherals
*Two 16-Bit ADCs
-±0.75 LSB INL; no missing codes
-Programmable throughput up to 1 Msps (each ADC)
1 external input each; programmable as two single-ended or one differential ADC
-DMA to XRAM or external memory interface
-Data-dependent windowed interrupt generator
*Three Comparators
-16 programmable hysteresis values
-Configurable to generate interrupts or reset
*Internal Voltage Reference
*Precision VDD Monitor/Brown-out Detector
*On-Chip JTAG Debug & Boundary Scan
-On-chip debug circuitry facilitates full speed, non-intrusive in-system debug (no emulator required)
-Provides breakpoints, single stepping, watchpoints, stack monitor
-Inspect/modify memory and registers
-Superior performance to emulation systems using ICE-chips, target pods, and sockets
-IEEE1149.1 compliant boundary scan
*High-Speed 8051 μC Core
-Pipelined instruction architecture; executes 70% of instructions in 1 or 2 system clocks
-Up to 25 MIPS throughput with 25 MHz system clock
-Expanded interrupt handler
*Memory
-4352 bytes data RAM
-32 kB Flash; in-system programmable in 1024-byte sectors (1024 bytes are reserved)
-External parallel data memory interface
*Digital Peripherals
-59 port I/O; all are 5 V tolerant
-Hardware SMBus™ (I2C™ compatible), SPI™, and two UART serial ports available concurrently
-Programmable 16-bit counter/timer array with six capture/compare modules
-5 general-purpose 16-bit counter/timers
-Dedicated watchdog timer; bidirectional reset
-Real-time clock mode using timers or PCA
*Clock Sources
-Internal oscillator: 24.5 MHz, 2% accuracy supports UART operation
-External oscillator: Crystal, RC, C, or Clock
-Can switch between clock sources on-the-fly
*Supply Voltage: 2.7 to 3.6 V
-Typical operating current: 18 mA at 25 MHz
-Multiple power saving sleep and shutdown modes
*100-Pin TQFP
*Temperature Range: –40 to +85 °C

TAG ADC, MCU

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PRODUCT DESCRIPTION
The SST89E564RD, SST89V564RD, SST89E554RC, and SST89V554RC are members of the FlashFlex51 family of 8- bit microcontroller products designed and manufactured with the state-of-the-art SuperFlash CMOS semiconductor process technology.
The devices use the 8051 instruction set and are pin-for-pin compatible with standard 8051 microcontroller devices.
The device comes with 72/40 KByte of on-chip flash EEPROM program memory using SST’s patented and proprietary CMOS SuperFlash EEPROM technology with the SST’s field- enhancing, tunneling injector, split-gate memory cells.
The SuperFlash memory is partitioned into 2 independent program memory blocks.
The primary Super- Flash Block 0 occupies 64/32 KByte of internal program memory space and the secondary SuperFlash Block 1 occupies 8 KByte of internal program memory space.
The 8-KByte secondary SuperFlash block can be mapped to the lowest location of the 64/32 KByte address space; it can also be hidden from the program counter and used as an independent EEPROM-like data memory.
The flash memory blocks can be programmed via a standard 87C5x OTP EPROM programmer fitted with a special adapter and firmware for SST’s device.
During the power-on reset, the device can be configured as a slave to an external host for source code storage or as a master to an external host for an in-application programming (IAP) operation.
The device is designed to be programmed in-system and in-application on the printed circuit board for maximum flexibility.
The device is pre-programmed with an example of the bootstrap loader in the memory, demonstrating the initial user program code loading or subsequent user code updating
via the IAP operation.
An example bootstrap loader is available for the user’s reference and convenience only.
SST does not guarantee the functionality or the usefulness of the sample bootstrap loader.
Chip-Erase operations will erase the pre-programmed sample code.
In addition to 72/40 KByte of SuperFlash EEPROM program memory on-chip, the device can address up to 64 KByte of external program memory.
In addition to 1024 x8 bits of on-chip RAM, up to 64 KByte of external RAM can be addressed.
SST’s highly reliable, patented SuperFlash technology and memory cell architecture have a number of important advantages for designing and manufacturing flash EEPROMs.
These advantages translate into significant cost and reliability benefits for our customers.

FEATURES
*8-bit 8051-Compatible Microcontroller (MCU) with Embedded SuperFlash Memory
-Fully Software Compatible
-Development Toolset Compatible
-Pin-For-Pin Package Compatible
*SST89E564RD/SST89E554RC Operation
-0 to 40 MHz at 5V
*SST89V564RD/SST89V554RC Operation
-0 to 33 MHz at 3V
*Total 1 KByte Internal RAM (256 Byte + 768 Byte)
*Dual Block SuperFlash EEPROM
-SST89E564RD/SST89V564RD: 64 KByte primary block + 8 KByte secondary block (128-Byte sector size for both blocks)
-SST89E554RC/SST89V554RC: 32 KByte primary block + 8 KByte secondary block (128-Byte sector size for both blocks)
-Individual Block Security Lock with SoftLock
-Concurrent Operation during In-Application Programming (IAP)
-Memory Overlay for Interrupt Support during IAP
*Support External Address Range up to 64 KByte of Program and Data Memory
*Three High-Current Port 1 pins (16 mA each)
*Three 16-bit Timers/Counters
*Full-Duplex, Enhanced UART
-Framing error detection
-Automatic address recognition
*Eight Interrupt Sources at 4 Priority Levels
*Programmable Watchdog Timer (WDT)
*Programmable Counter Array (PCA)
*Four 8-bit I/O Ports (32 I/O Pins)
*Second DPTR register
*Low EMI Mode (Inhibit ALE)
*SPI Serial Interface
*Standard 12 Clocks per cycle, the device has an
option to double the speed to 6 clocks per cycle.
*TTL- and CMOS-Compatible Logic Levels
*Brown-out Detection
*Low Power Modes
-Power-down Mode with External Interrupt Wake-up
-Idle Mode
*PDIP-40, PLCC-44 and TQFP-44 Packages
*Temperature Ranges:
-Commercial (0°C to +70°C)
-Industrial (-40°C to +85°C)

SST89V564RD
SST89V564RD
TAG Flash, MCU

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General Description
The Cost-Effective A/D Type MCU Devices are a series of 8-bit high performance RISC architecture microcontrollers, designed especially for applications that interface directly to analog signals, such as those from sensors.
All devices include an integrated multi-channel Analog to Digital Converter in addition to
one or two Pulse Width Modulation outputs.
The usual Holtek MCU features such as power down and wake-up functions, oscillator options, programmable frequency divider, etc. combine to ensure user applications require
a minimum of external components.
The benefits of integrated A/D and PWM functions, in addition to low power consumption, high performance, I/O flexibility and low-cost, provide these devices with the versatility to suit a wide range of application possibilities such as sensor signal processing, motor driving, industrial control, consumer products, subsystem controllers, etc.
Many features are common to all devices, however, they differ in areas such as I/O pin
count, Program Memory capacity, A/D resolution, stack capacity and package types.

Features
* Operating voltage:
- fSYS=4MHz: 2.2V~5.5V
- fSYS=8MHz: 3.3V~5.5V
* 13 to 23 bidirectional I/O lines
* External interrupt input shared with an I/O line
* 8-bit programmable Timer/Event Counter with overflow interrupt and 7-stage prescaler
* On-chip crystal and RC oscillator
* Watchdog Timer function
* PFD for audio frequency generation
* Power down and wake-up functions to reduce power consumption
* Up to 0.5s instruction cycle with 8MHz system clock at VDD=5V
* 4 or 6-level subroutine nesting
* 4 channels 8 or 9-bit resolution A/D converter
* 1 or 2 channel 8-bitPWMoutput shared with I/O lines
* Bit manipulation instruction
* Table read instructions
* 63 powerful instructions
* All instructions executed in one or two machine cycles
* Low voltage reset function
* Range of packaging types

HT46R46
HT46C46
HT46C47
HT46R49
HT46R48A
HT46C48A
TAG 8-bit, MCU

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General Description
 The HT82A832R is an 8-bit high performance RISC-like microcontroller designed for USB Phone product applications.
The HT82A832R combines a 16-bit PCM ADC, USB transceiver, SIE (Serial Interface Engine),
audio class processing unit, FIFO and an 8-bit MCU into a single chip.
The DAC in the HT82A832R operates at a sampling rate of 48kHz/8kHz and the 16-bit PCM ADC
operates at 8kHz for the Microphone input.
For the DAC, the HT82A832R has a digital programmable gain amplifier.
The gain range is from -32dB to +6dB. For the ADC input, the digital gain range is from 0dB to 19.5dB.

Features
* Operating voltage: fSYS = 6M/12MHz: 3.3V~5.5V
* 24 bidirectional I/O lines (max.)
* Two 16*bit programmable timer/event counters and overflow interrupts
* 4096x15 program memory ROM
* 192x8 data memory RAM (Bank 0)
* USB 2.0 full speed compatible
* USB spec V1.1 full speed operation and USB audio device class spec V1.0
* Embedded high*performance 16 bit PCM ADC
* Built*in Digital PGA (Programmable Gain Amplifier)
* 48kHz/8kHz sampling rate for audio playback controlled by software option
* 8kHz audio recording sampling rate
* Embedded class AB speaker driver power amplifier
* Embedded High Performance 16 bit audio DAC
* Supports audio playback digital volume control
* 5 endpoints supported (endpoint 0 included)
* Supports 1 Control, 2 Interrupt, 2 Isochronous transfer
* Two hardware implemented Isochronous transfers
* Total FIFO size: 464 bytes (8, 8, 384, 32, 32 for EP0~EP4)
* Programmable frequency divider (PFD)
* Integrated SPI hardware circuit
* Play/Record Interrupt
* HALT and wake*up features reduce power consumption
* Watchdog Timer
* 16*level subroutine nesting
* Bit manipulation instruction
* 15*bit table read instruction
* 63 powerful instructions
* All instructions executed within one or two machine cycles
* Low voltage reset function (3.0V0.3V)
* 48*pin SSOP/LQFP package

TAG Audio, MCU, USB

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PRODUCT DESCRIPTION
 The SST89E5xRD2/RD and SST89V5xRD2/RD are members of the FlashFlex51 family of 8-bit microcontroller products designed and manufactured with SST’s patented and proprietary SuperFlash CMOS semiconductor process technology.
The split-gate cell design and thick-oxide tunneling injector offer significant cost and reliability benefits for SST’s customers.
The devices use the 8051 instruction set and are pin-for-pin compatible with standard 8051 microcontroller devices.
The devices come with 16/24/40 KByte of on-chip flash EEPROM program memory which is partitioned into 2 independent program memory blocks.
The primary Block 0 occupies 8/16/32 KByte of internal program memory space and the secondary Block 1 occupies 8 KByte of internal program memory space.
The 8-KByte secondary block can be mapped to the lowest location of the 8/16/32 KByte address space; it can also be hidden from the program counter and used as an independent
EEPROM-like data memory.
In addition to the 16/24/40 KByte of EEPROM program memory on-chip, the devices can address up to 64 KByte of external program memory.
In addition to 1024 x8 bits of on-chip RAM, up to 64 KByte of external RAM can be addressed.
The flash memory blocks can be programmed via a standard 87C5x OTP EPROM programmer fitted with a special adapter and the firmware for SST’s devices.
During poweron reset, the devices can be configured as either a slave to an external host for source code storage or a master to an external host for an in-application programming (IAP) operation.
The devices are designed to be programmed in-system and in-application on the printed circuit board for maximum flexibility.
The devices are pre-programmed with an example of the bootstrap loader in the memory, demonstrating the initial user program code loading or subsequent user code updating via the IAP operation.
The sample bootstrap loader is available for the user’s reference and convenience only; SST does not guarantee its functionality or usefulness.
Chip-Erase or Block-Erase operations will erase the pre-programmed sample code.

FEATURES
* 8-bit 8051-Compatible Microcontroller (MCU) with Embedded SuperFlash Memory
- Fully Software Compatible
- Development Toolset Compatible
- Pin-For-Pin Package Compatible
* SST89E5xRD2 Operation
- 0 to 40 MHz at 5V
* SST89V5xRD2 Operation
- 0 to 33 MHz at 3V
* 1 KByte Internal RAM
* Dual Block SuperFlash EEPROM
- 8/16/32 KByte primary block + 8 KByte secondary block (128-Byte sector size for both blocks)
- Individual Block Security Lock with SoftLock
- Concurrent Operation during In-Application Programming (IAP)
- Memory Overlay for Interrupt Support during IAP
* Support External Address Range up to 64 KByte of Program and Data Memory
* Three High-Current Drive Ports (16 mA each)
* Three 16-bit Timers/Counters
* Full-Duplex, Enhanced UART
- Framing Error Detection
- Automatic Address Recognition
* Ten Interrupt Sources at 4 Priority Levels
- Four External Interrupt Inputs
* Programmable Watchdog Timer (WDT)
* Programmable Counter Array (PCA)
* Four 8-bit I/O Ports (32 I/O Pins) and One 4-bit Port
* Second DPTR register
* Low EMI Mode (Inhibit ALE)
* SPI Serial Interface
* Standard 12 Clocks per cycle, the device has an option to double the speed to 6 clocks per cycle.
* TTL- and CMOS-Compatible Logic Levels
* Brown-out Detection
* Low Power Modes
- Power-down Mode with External Interrupt Wake-up
- Idle Mode
* Temperature Ranges:
- Commercial (0°C to +70°C)
- Industrial (-40°C to +85°C)
* Packages Available
- 40-contact WQFN (Port 4 feature not available)
- 44-lead PLCC
- 40-pin PDIP (Port 4 feature not available)
- 44-lead TQFP
* All non-Pb (lead-free) devices are RoHS compliant

SST89E52RD2/RD
SST89E54RD2/RD
SST89E58RD2/RD
SST89V52RD2/RD
SST89V54RD2/RD
SST89V58RD2/RD

TAG flex, MCU

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