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8051-Based MCU. MG86FE508 Datasheet |
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8051-Based MCU
MG86FE/L508
Data Sheet
Version: A1.3
This document contains information on a new product under development by Megawin. Megawin reserves the right to change or
discontinue this product without notice.
Megawin Technology Co., Ltd. 2005 All rights reserved.
2015/05 version A1.3
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MG86FE/L508 Data Sheet
MEGAWIN
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Features
1-T 80C51 Central Processing Unit
MG86FE/L508 with 8K Bytes flash ROM
━ ISP memory zone could be optioned as 0.5KB/1KB/1.5KB……
━ Flexible IAP size by software configured
━ Code protection for flash memory access
━ Flash write/erase cycle
For 0.5K IAP, the MTP of IAP write cycle is 2,000 times.
For 1.0K IAP, the MTP of IAP write cycle is 1,000 times
━ Flash data retention: 100 years at 25℃
━ MG86FE/L508 Flash space mapping (Default)
AP Flash（6KB, 0000h~17FFh）
IAP Flash（1KB, 1800h~1BFFh）
ISP Flash（1KB, 1C00h~1FFFh）（ISP Boot code）
On-chip 256 bytes scratch-pad RAM
Interrupt controller
━ 8 sources, four-level-priority interrupt capability
━ Two external interrupt inputs, nINT0 and nINT1
━ The external interrupts support High/Low level or Rising/Falling edge trigger.
Two 16-bit timer/counters, Timer 0 and Timer 1.
━ T0CKO on P34 and T1CKO on P35
━ X12 mode enabled for Timer 0/1
━ Support PWM mode
━ Programmable prescaler for Timer 0 clock source
Programmable 16-bit counter/timer Array (PCA) with 4 channels PWM
━ Auto reload 16-bit base timer
━ 2 compare/capture modules and 2 PWM modules
━ Capture mode
━ 16-bit software timer mode
━ High speed output mode
━ Variable resolution PWM mode, up to 8-bit
Enhanced UART (S0)
━ Framing Error Detection
━ Automatic Address Recognition
━ Selectable clock polarity in mode 0
━ SPI master support in mode 4
Keypad Interrupt on 16 GPIOs
Two wire interface Start/Stop detection
8-bit ADC
━ Programmable throughput up to 200 ksps
━ 8 channel single-ended inputs
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
━ 0.5S ~ 64S programmable interrupt period
MEGAWIN
MG86FE/L508 Data Sheet
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