MG82FG5B32 Megawin MG82FG5B32AD32 LQFP32 IC

    1-T 80C51 Central Processing Unit
    * MG82FG5B32 with 32K Bytes flash ROM
        *ISP memory zone could be optioned as 1KB/1.5KB~4KB
        *Flexible IAP size by software configured
        *Code protection for flash memory access
        *Flash erase/program cycle: 10,000 times
        *Flash data retention: 100 years at 25℃
        *Default MG82FG5B32 Flash space mapping
        AP     29.5KB 0000h~75FFh
        IAP     1KB 7600h~79FFh
        ISP     1.5KB 7A00h~7FFFh
    * Data RAM
        *On-chip 256 bytes scratch-pad RAM
        *1792 bytes expanded RAM (XRAM)
    * Dual data pointer
    * Interrupt controller
        *16 sources, four-level-priority interrupt capability
        *Four external interrupt inputs, nINT0, nINT1, nINT2 and nINT3, with glitch filter
        *All external interrupts support High/Low level or Rising/Falling edge trigger
    * Three 16-bit timer/counters, Timer 0, Timer 1 and Timer 2
        *T0CKO on P34, T1CKO on P35 and T2CKO on P10
        *X12 mode enabled for T0/T1/T2
        *S1BRG cascaded with Timer 1 to a 16/24-bit timer/counter
    * Programmable 16-bit counter/timer Array (PCA) with 8 compare/capture modules
        *Programmable 16-bit PCA base counter
        *Up to 100MHz clock source from on-chip CKM
        *Capture mode, 16-bit software timer mode and High speed output mode
        *8/10/12/16-bit PWM mode with phase shift function, up to 8-channel PWM
        *PWM module with dead-time control and central-aligned option
    * Keypad Interrupt
    * 10-Bit ADC
        *Programmable throughput up to 200 ksps
        *Up to 8 channel single-ended inputs
    * Enhanced UART (S0)
        *Framing Error Detection
        *Automatic Address Recognition
        *Speed improvement mechanism (X2/X4 mode)
        *SPI master supported in mode 4
    * Secondary UART (S1)
        *Dedicated Baud Rate Generator shares to S0 or set as an 8-bit timer
        *SPI master supported in mode 4
    * One Master/Slave SPI serial interface (SPI)
        *Max. SPI clock frequency up to 12MHz.
        *Up to 3 SPI masters including S0 and S1 in mode 4
    * Three two-wire-serial-interface: TWSI, TWI1 and SID(TWI2)
        *Two Master/Slave hardware engine: TWSI and TWI1
        *3 device address recognized in TWSI/TWI1 slave mode
        *Two wire serial interface Start/Stop detection (SID) to support 3rd TWI slave interface
    * On-Chip-Debug interface (OCD)
    * Programmable Watchdog Timer, clock sourced from ILRCO
        *One time enabled by CPU or power-on
        *Interrupt CPU or Reset CPU on WDT overflow
        *Support WDT function in power down mode (watch mode)
    * Real-Time-Clock module
        *0.5S ~ 64S programmable interrupt period
        *21-bit length system timer
    * Beeper function
    * Maximum 29 GPIOs in 32-pin package
        *P3 can be configured to quasi-bidirectional, push-pull output, open-drain output and input only
        *P1, P2, P4 and P6 can be configured to open-drain output or push-pull output
        *P6.0, P6.1 and P4.7 shared with XTAL2, XTAL1 and RST
    * Multiple power control modes: idle mode, power-down mode, slow mode, sub-clock mode, RTC mode, watch mode and monitor mode.
        *All interrupts can wake up IDLE mode
        *11 sources to wake up Power-Down mode
        *Slow mode and sub-clock mode support low speed MCU operation
        *RTC mode supports RTC to resume CPU in power down
        *Watch mode supports WDT to resume CPU in power down
        *Monitor mode supports BOD1 to resume CPU in power down
    * Two Brown-Out Detectors
        *BOD0: detect 1.7V
        *BOD1: selected detection level on 4.2V/3.7V/2.4V/2.0V
        *Interrupt CPU or reset CPU
        *Wake up CPU in Power-Down mode
    * Operating voltage range: 1.8V – 5.5V
        *Minimum 1.7V requirement in flash write operation (ISP/IAP/ICP)
    * Operating frequency range: 25MHz(max)
        *External crystal mode, 0 – 12MHz @ 1.8V – 5.5V and 0 – 25MHz @ 2.7V – 5.5V
        *CPU up to 12MHz @ 1.8V – 5.5V and up to 25MHz @ 2.2V – 5.5V
    * Clock Sources
        *Internal 12MHz/11.059MHz oscillator (IHRCO): factory calibrated to ±1%, typical
        *External crystal mode, support 32.768KHz oscillating and missing clock detection (MCD)
        *Internal Low power 32KHz RC Oscillator (ILRCO)
        *External clock input (ECKI) on P6.0/XTAL2
        *Internal Oscillator output on P6.0/XTAL2
        *On-chip Clock Multiplier (CKM) to provide high speed clock source
    * Operating Temperature:
        *Industrial (-40℃ to +85℃)*
    * 16-Bytes Unique ID code