MG82G5E32 Megawin MG82G5E32AD48 LQFP48 IC

        1-T 80C51 Central Processing Unit
        * MG82G5E32 with 32K Bytes flash ROM
            *ISP memory zone could be optioned as 0.5KB/1.0KB~7.5KB
            *Flexible IAP size configured by software configured
            *Code protection for flash memory access
            *Flash write/erase cycle: 20,000 times
            *Flash data retention: 100 years at 25℃
            *Default MG82G5E32 Flash space mapping
            AP     29.5KB 0000h~75FFh
            IAP     1.0KB 7600h~79FFh
            ISP     1.5KB 7A00h~7FFFh
        * Data RAM : 2K Bytes
            *On-chip 256 bytes scratch-pad RAM
            *1792 bytes expanded RAM (XRAM)
            *Support page select on XRAM access
        * Dual data pointer
        * Interrupt controller
            *18 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
        * Total 9/11 timers in MG82G5E32
            *RTC Timer and WDT Timer
            *Timer 0, Timer 1, Timer 2 and Timer 3
            *PCA0, Program Counter Array 0
            *S0 BRG and S1 BRG
            *If Timer 2/3 in split mode, then total 11 timers
        * Four 16-bit timer/counters, Timer 0, Timer 1, Timer 2 and Timer 3
            *X12 mode and timer clock output function
            *Synchronous Run-Enable on all timer (same function on Stop and Reload)
            *New 5 operating modes in Timer 2/3 with 8 clock sources and 8 capture sources
            *Timer 2/3 can be split into two 8-bit timers
            *Clock Count Output (CCO) on T2CKO and T3CKO
            *All timers support PWM mode
        * One Programmable 16-bit counter/timer Arrays (PCA0) with 8 Compare/PWM modules
            *PCA0 has 6 CCP (Capture/Compare/PWM) modules and 2 CP (Compare/PWM) modules
            *Reloadable 16-bit base counter to support variable length PWM
            *Up to 100MHz clock source from on-chip CKM
            *Capture mode, 16-bit software timer mode and High speed output mode
            *Buffered capture mode to monitor narrow pulse input
            *Variable 8/10/12/16-bit PWM mode, each PCA can be configured to:
            Up to 8 channels un-buffered 10/12/16-bit PWM, or
            Up to 8 channels buffered 2~8-bit PWM, or
            Up to 4 channels buffered 9~16-bit PWM
            *PCA0 PWM module 0~5 with dead-time control, break control and central-aligned option
        * 8 Inputs Keypad Interrupt
        * Output signal Break & Modulator (OBM)
            *Multi-source modulator and selectable carrier source
            *Support fast Event Break function
        * 10-Bit Single-ended ADC
            *Programmable throughput up to 1M sps
            *8 channel external inputs and one channel internal input (IVR/1.4V)
            *ADC VREF+ from external input
        * Analog Comparator 0
            *Selectable internal voltage reference (IVR/1.4V) on ACNI0
            *4 selectable ACPI0(+) inputs
            *Wake-up from power-down and idle
            *Glitch filter option and output to internal timer capture
        * Analog Comparator 1
            *Selectable internal voltage reference (IVR/1.4V) on ACNI1
            *Wake-up from power-down and idle
            *Glitch filter option and output to internal timer capture
        * Enhanced UART (S0)
            *Framing Error Detection
            *Automatic Address Recognition
            *Speed improvement mechanism (X2/X4 mode), Max. UART baud rate up to 6MHz
            *Support SPI Master in Mode 4, up to 12MHz on SPICLK
            *Built-in baud rate generator (S0BRG) to support TX or RX on different baud rate
            *Support LIN bus protocol with auto baud rate detection in mode 5
            *S0BRG in timer mode cascaded with Timer 0/1 to be a 16/24-bit timer/counter
        * Secondary UART (S1)
            *Dedicated Baud Rate Generator (S1BRG) shares to S0 or set as an 8-bit timer
            *Max. UART baud rate up to 1.8432/3.0MHz
            *Support SPI Master in Mode 4, up to 12MHz on SPICLK
            *S1BRG in timer mode cascaded with Timer 0/1 to be a 16/24-bit timer/counter
        * One Master/Slave SPI serial interface
            *Max. 12MHz on SPICLK
            *8 bits data transfer
            *Up to 3 SPI masters including S0/S1 in mode 4
            *Support daisy-chain function in SPI slave mode
        * Two Master/Slave two wire serial interfaces: TWI0/I2C0 and STWI (SI2C)
            *One Master/Slave hardware engine: TWI0/I2C0
            *One software STWI/SI2C, STWI, Start/Stop serial interface detection (SID)
        * Programmable Watchdog Timer (WDT), clock sourced from ILRCO or SYSCLK
            *One time enabled by CPU or power-on
            *To interrupt or Reset CPU on WDT overflow
            *Support WDT function in power down mode (watch mode) for auto-wakeup function
        * Real-Time-Clock (RTC) module, clock sourced from XTAL, ILRCO or SYSCLK
            *Programmable interrupt period from mini-second wakeup to minute wakeup
            *21-bit length system timer
        * Beeper function
        * General purpose logic (GPL/CRC)
            *Bit order reversed function
            *16-bit CRC engine (CCITT-16 polynomial)
            *Support automatic CRC of flash content
            *Programmable initial seed function of CRC
        * On-Chip-Debug interface (OCD)
        * Maximum 44 GPIOs in 48-pin package
            *P3 can be configured to quasi-bidirectional, push-pull output, open-drain output and input only
            *P0, 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
            *Programmable GPIO driving strength
            *On chip pull-up enable on each pin
        * 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, up to 25MHz
            *Internal RC Oscillator output on P6.0/XTAL2
            *On-chip Clock Multiplier (CKM) to provide high speed clock source
        * 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 (BOD1)
        * 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
            *15 sources with 22 pins 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
        * Operating voltage range: 1.8V – 5.5V
            *Minimum 1.7V requirement in flash write operation (ISP/IAP/ICP)
        * Operating frequency range: 32MHz(max)
            *External crystal mode, 0 – 12MHz @ 2.0V – 5.5V, 0 – 25MHz @ 2.7V – 5.5V
            *CPU up to 12MHz @ 1.8V – 5.5V and up to 25MHz @ 2.2V – 5.5V
            *CPU up to 32MHz @ 2.7V – 5.5V with on-chip CKM
        * Operating Temperature:
            *Industrial (-40℃ to +85℃)*
        * Package Types:
            *LQFP48: MG82G5E32 (32K)