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    SH79F3212M/028MU

    The SH79F3212 is a high performance 8051 compatible micro-controller, regard to its build-in Pipe-line instruction fetch structure, that helps the SH79F3212 can perform more fast operation speed and higher calculation performance, if compare SH79F3212 with standard 8051 at same clock speed. The SH79F3212 retains most features of the standard 8051. These features include internal 256 bytes RAM, UART and INT2, INT3 and INT4. In addition, the SH79F3212 provides external 1280 bytes RAM, Five 16-bit timer/counters T0-T4. It also contains 32K bytes Flash memory block both for program and data. Also the ADC, EUART, TWI, LPD, Touch key, LED Driver, PWM1/2 timer and CRC module functions are incorporated in SH79F3212.For high reliability and low power consumption, the SH79F3212 builds in Watchdog Timer, Low Voltage Reset function and SCM function. And SH79F3212 also supports two power saving modes to reduce power consumption.

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      SPECIFICATION

      1. Features
       8bits micro-controller with Pipe-line structured 8051 compatible instruction set
       Flash ROM: 32K Bytes (Rub/write 10000 times)
       RAM: internal RAM 256 Bytes, external 1280 Bytes, LED RAM 28 Bytes, Touch key RAM 16 Bytes
       EEPROM-like: 1024 Bytes (Rub/write 100000 times)
       Operation Voltage:
      – fOSC = 2MHz – 12MHz, VDD = 2.7V – 5.5V
       Oscillator (code option):
      – Crystal oscillator: 32.768kHz
      – Crystal oscillator: 2MHz – 12MHz
      – Ceramic oscillator: 2MHz – 12MHz
      – Internal RC: 16.6MHz (TA = +25°C, ±1%), (TA = -40°C +85°C, ±2%)
      – Internal RC: 128KHz (±10%)
       28pin: 26 CMOS bi-directional I/O pins
      20pin: 18 CMOS bi-directional I/O pins
       Built-in pull-up resistor for input pin (Typical value 30K)
       Seven big current driver I/O
      (7*16 common-cathode/common-anode LED)
       Five 16-bit timer/counters T0, T1, T2, T3, T4
       Two12 Bit PWM
       Powerful interrupt sources:
      – Timer 0, 1, 2, 3, 4
      – INT40 – INT47
      – INT30 – INT32
      – INT2
      – ADC, EUART, TWI, SCM, LPD
      – PWM1, 2, TOUCH, CRC
       8 channels Touch Key input
       EUART with Baud-rate generator
       TWI
       13 channels 12-Bit ADC, 1.25V (±1%) internal reference voltage source, (TA = -40°C +85°C, ±2.5%), ADC channel input internal reference voltage source
       LED driver
      (7COM common-cathode/common-anode LED)
      – 7 X 16 dots
       LPD
      – LPD voltage: 2.8V – 4.2V
       Low Voltage Reset (LVR) function (enabled by code option)
      – LVR Voltage 1: 3.7V
      – LVR Voltage 2: 3.1V
      – LVR Voltage 3: 2.8V
       CPU Machine cycle: 1 oscillator clock
       Watch Dog Timer (WDT)
       Warm-up Timer
       CRC verify module (CRC)
       Support Low power operation modes:
      – Idle Mode
      – Power-Down Mode
       Flash Type
       Package:
      – SOP28/20