MPC82E54

8051-Based MCU MPC82E/L54 Data Sheet Version: A10 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. 2013/04 version A10 2 MPC82x54 Data Sheet MEGAWIN Features  1-T 80C51 Central Processing Unit  MPC82E/L54 with 15.5K Bytes flash ROM ━ ISP memory zone could be optioned as 1.5KB, 2.5KB or 3.5KB ━ Two level code protections for flash memory access ━ Flash write/erase cycle: 20,000 ━ Flash data retention: 100 years at 25℃ ━ MPC82E/L54 Flash space mapping (Default)  AP Flash（0000h~33FFh）  IAP Flash（3400h~37FFh）  ISP Flash（3800h~3DFFh）（ISP Boot code）  On-chip 256 bytes scratch-pad RAM and 256 bytes expanded RAM (XRAM)  Interrupt controller ━ 7 sources, four-level-priority interrupt capability ━ Two external interrupt inputs, INT0 and INT1  Two 16-bit timer/coun...