產品資訊
1-T 80C51 Central Processing Unit
MG84FG516 with 64K Bytes flash ROM
ISP memory zone could be optioned as 1KB/1.5KB~4KB
Flexible IAP size.
Code protection for flash memory access
Flash erase/program cycle: 10,000 times
Flash data retention: 100 years at 25℃
Data RAM
On-chip 256 bytes scratch-pad RAM
4096 bytes expanded RAM (XRAM)
Up to 5120 bytes expanded RAM (XRAM) by sharing USB buffer
Dual data pointer
Variable length MOVX for slow SRAM/Peripherals
Interrupt controller
17 sources, four-level-priority interrupt capability
Four external interrupt inputs, nINT0, nINT1, nINT2 and nINT3
All external interrupts support High/Low level or Rising/Falling edge trigger
Four 16-bit timer/counters, Timer 0, Timer 1, Timer 2 and Timer 3
T0CKO on P34, T1CKO on P35, T2CKO on P10 and T3CKO on P01
X12 mode enabled for T0/T1/T2/T3
Programmable 16-bit counter/timer Array (PCA) with 6 compare/capture modules
Capture mode
16-bit software timer mode
High speed output mode
8/10/12/16-bit PWM (Pulse Width Modulator) mode with phase shift function
Keypad Interrupt (P0/P2/P5/P6)
12-Bit ADC
Programmable throughput up to 250 ksps
Up to 8 channel single-ended inputs or 4 channel differential inputs
Enhanced UART (S0)
Framing Error Detection
Automatic Address Recognition
Speed improvement mechanism (X2/X4 mode)
Secondary UART (S1)
Dedicated Baud Rate Generator
S1 shares baud rate generator to S0.
Master/Slave SPI serial interface
Master/Slave tow wire serial interface (TWSI)
USB Device Controller
USB Full speed (12Mbps) operation and USB specification 2.0 compliant
Intel 8X931 like USB control flow
Built-in USB transceiver and 3.3V regulator
Six pairs flexible endpoints for control/interrupt/isochronous/bulk IN/OUT transaction
1K bytes FIFO for USB endpoint buffer
Software-controlled USB connection/disconnection mechanism
Programmable Watchdog Timer
One time enabled by CPU or power-on
Sourced from on-chip low frequency oscillator
Interrupt CPU or Reset CPU on WDT overflow
Watch mode support
On-Chip-Debug interface (OCD)
Maximum 55 GPIOs in LQFP64 package
P3 can be configured to quasi-bidirectional, push-pull output, open-drain output and input only
P0, P1, P2, P4, P5 and P6 can be configured to open-drain output or push-pull output
P6.0 and P6.1 shared with XTAL2 and XTAL1
Multiple power control modes: idle mode, power-down mode, slow mode, sub-clock mode, watch mode and monitor mode.
All interrupts can wake up IDLE mode
12 sources to wake up Power-Down mode
Slow mode and sub-clock mode support low speed MCU operation
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 2.2V
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: 2.0V – 5.5V
Minimum 2.2V requirement in flash write operation (ISP/IAP/ICP)
Operating frequency range: 36MHz(max)
External crystal mode, 2 – 12MHz @ 2.0V – 5.5V and 2 – 25MHz @ 2.7V – 5.5V.
CPU up to 12MHz @ 2.0V – 5.5V, up to 25MHz @ 2.4V – 5.5V and up to 36MHz @ 2.7V – 5.5V
Clock Sources
Internal 12MHz oscillator (IHRCO): factory calibrated to 1%, typical
External crystal mode
Internal Low frequency RC Oscillator (ILRCO) support: about 32KHz
External clock input (ECKI) on XTAL2/P6.0, up to 36MHz.
Internal Oscillator output on XTAL2/P6.0
On-chip Clock Multiplier (CKM) to provide high speed clock source
Operating Temperature:
Industrial (-40℃ to +125℃)*
Note*: Tested by sampling.
