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Products - GPM8F3740A



General Description

GPM8F3740A are highly integrated microcontroller which integrates a pipelined 1T 8051 CPU, 2K byte XRAM, 256-byte IDM SRAM and 16K-byte program FLASH. It supports up to 26 programmable multi-functional I/Os, Timer0/1, CCP0/1, Timer A/B, UART0/2, one SPI (master/slaver), one I2C (master/slaver), one real time counter, one Capacitive Touch Sensor , one 10-channle SAR ADC with 12-bit resolution for general-purpose application.  It operates over a wide range of working voltage, from 2.2V through 5.5V, in different clock sources.  It has one mode in power management unit.  Moreover, there is one on-chip debug circuit with two pins to facilitate full speed in-system debug.


  • CPU
    • High speed, high performance 1T 8051
      • 100% software compatible with industry standard 8051
      • Pipeline RISC architecture enables to execute instructions 10 times faster than standard 8051
      • Up to 32MHz clock operation
  • Memory
    • 2K bytes XRAM
    • 256 bytes internal Data Memory (IDM) SRAM
    • 16K bytes FLASH with high endurance
      • Minimum 100K program/erase cycles
      • Minimum 20us program time
      • Minimum 2ms page erase time, 10ms macro erase time.
      • Minimum 10 years data retention
      • 1KB page size
      • Flexible AP and ISP memory size
      • Protect for FLASH memory access
    • Programming read only level for software security
  • Clock Management
    • Internal oscillator with 32MHz±5% @ 2.2V~5.5V
    • Internal oscillator with 32KHz ± 10% @2.2~5.5V
    • Crystal input with 32KHz
  • Power Management
    • One stop mode for power saving
  • Interrupt Management
    • 19 interrupt sources
    • Four wakeup sources
    • Up to two external interrupt sources
    • Up to 16 keyboard interrupt sources
  • Reset Management
    • Power On Reset (POR)
    • Low Voltage Reset (LVR)
    • Pad Reset (PAD_RST)
    • Watchdog Reset (WDT_RST)
    • Software Reset (S/W_RST)
    • FLASH Access Error Reset (ADDR_ERR_RST)
  • Programmable Watchdog Timer
    • A time-base generator
    • An event timer
    • System supervisor
  • I/O Ports
    • 26 multifunction bi-direction I/Os
    • Each incorporate with pull-up resistor, pull-down resistor, output high, output low , output driving capability and floating input which depending on programmer’s settings on the corresponding registers
    • I/O ports with 12mA current source
    • I/O ports with 12mA current sink
    • 8 I/O ( PORT0 ) with 70mA high sink current.
  • Two 16-bit Timer/Counter (Timer 0/1)
    • Timer mode with selectable clock source
    • 13-bit/ 16-bit up-count timers
    • Auto reload 8-bit timers
    • Two 8-bit timers
    • Externally gated event counters
  • Two 16-bit Timer (Timer A/B)
    • Timer mode with selectable clock source
    • Auto reload 16-bit timers
  • Two 16-bit Compare / Capture / PWM Unit(CCP 0/1)
    • Timer mode with selectable clock source
    • Auto-reload 16-bit timers
    • Event capturing
    • Pulse width modulation and measurement
  • UART0
    • One synchronous mode
    • Three asynchronous modes
  • UART 2
    • Full duplex, asynchronous communications
    • Single wire half duplex communication.
    • Wide range baud rate generator
    • Programmable data word length (8 or 9 bits)
    • Configurable stop bits (1 or 2 stop bits)
  • SPI (master / slaver mode)
    • Programmable phase and polarity of master clock
    • Programmable master SPI clock frequency
  • A/D Converter
    • 10-channel 12-bit resolution ADC
    • Max conversion rate@125K sps
    • Control independent per set
    • Programmable A/D conversion data width
    • Support 4 sets ADC_VREF voltage select
  • I2C (master / slaver mode)
    • Programmable master I2C clock frequency
    • Max I2C clock:400KHz.
  • Key Change
    • Programmable 16 IOs key change interrupt
    • Programmable 16 IOs key change wakeup source.
  • DMA
    • Max DMA transfer size is 2K
    • DMA path :

Timer B capture register(CTC) to XRAM

  • RTC
    • Programmable real time counter wakeup condition.

60 second / 30 second / 1 second / 0.5 second  

  • Capacitive Touch Sensor unit
    • Up to 23-channel Capacitive Touch sensor
    • CTC Mode, 16 bits Timer B to measure the time duration for CTC_DUTY.
  • Built-in Low Voltage Reset
    • Trigger level:

2.3V, 2.6V, 3.0V, 4.0V

  • Built-in Low Voltage Detect
    • Programmable level:

2.4V, 2.6V, 2.8V, 3.0V, 3.2V, 3.4V ,  4.2V , 4.4V

  • On-chip Debug Unit
    • C compatible development tools

GPMF3750A Getting Start

G+ ICE Driver安裝說明

G+ Touch Daynamic Magician

G+ Touch Static Magician

GPM8F3750A Getting Start

G+ ICE Driver安裝說明

G+ Touch Magician ( Daynamic )

G+ Static Touch Magician

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