MPC89E58A
8-bit micro-controller
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. 2004 All right reserved.
2005/06 version A8
MEGAWIN
Features .................................................................................................................................. 2
General Description ............................................................................................................... 3
Pin Description....................................................................................................................... 4
Pin Definition................................................................................................................. 4
Pin Configuration........................................................................................................... 6
Block Diagram ....................................................................................................................... 7
Special Function Register ...................................................................................................... 8
Memory.................................................................................................................................. 9
Organization................................................................................................................... 9
Nonvolatile Registers:.................................................................................................. 10
RAM .............................................................................................................................11
Embedded Flash........................................................................................................... 12
Functional Description......................................................................................................... 13
TIMERS/COUNTERS................................................................................................. 13
TIMER0 (T0) AND TIMER1 (T2) ...................................................................... 15
TIMER2 ............................................................................................................... 16
Interrupt........................................................................................................................ 20
Watchdog Timer ........................................................................................................... 22
Serial IO Port (UART) ................................................................................................. 23
Reset............................................................................................................................. 26
Power Saving Mode and POF...................................................................................... 26
In System Programming (ISP) ..................................................................................... 27
In-Application Program ............................................................................................... 31
Note for Other SFR ...................................................................................................... 32
Absolute Maximum Rating.................................................................................................. 33
DC Characteristics ............................................................................................................... 33
Package Dimension.............................................................................................................. 34
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