MPC82x52A
8-bit micro-controller
Features.............................................................................................................................3
General Description ..........................................................................................................5
Order Information:............................................................................................................5
Pin Description..................................................................................................................6
Pin Definition............................................................................................................6
Pin Configuration....................................................................................................10
Block Diagram................................................................................................................11
Special Function Register ...............................................................................................12
Address Map ...........................................................................................................12
Bits Description ......................................................................................................13
Memory...........................................................................................................................15
Organization............................................................................................................15
RAM .......................................................................................................................16
Nonvolatile Registers:.............................................................................................16
Embedded Flash......................................................................................................19
Functional Description....................................................................................................20
I/O Port Configuration............................................................................................20
Timer/Counter.........................................................................................................24
Interrupt...................................................................................................................29
Watch Dog Timer....................................................................................................33
Universal Asynchronous Serial Port (UART).........................................................35
Programmable Counter Array (PCA)......................................................................38
Serial Peripheral Interface (SPI).............................................................................47
Analog to Digital Converter....................................................................................54
Built-In Oscillator...................................................................................................56
Power-Up and Low Voltage Detector and Reset.....................................................56
Power Management ................................................................................................57
Reset and Boot Entrance.........................................................................................59
In System Programming and In Application Programming............................................60
In System Programming (ISP)................................................................................60
In-Application Program (IAP) ................................................................................63
Avoid Inadvertent Data Lost from IAP/ISP............................................................64
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. 2008 All rights reserved.
2008/12 version A8
MEGAWIN
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