MPC89L51A Megawin Technology, MPC89L51A Datasheet - Page 7
MPC89L51A
Manufacturer Part Number
MPC89L51A
Description
8-bit micro-controller
Manufacturer
Megawin Technology
Datasheet
1.MPC89L51A.pdf
(38 pages)
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Block Diagram
MEGAWIN
RESET
PSEN
ALE
EA
B Register
XTAL1
RAM ADDR
Control
Register
Unit
ACC
XTAL2
TMP2
PSW
MPC89x51A Data Sheet
MPC89x51A Block Diagram
P1.0 ~ P1.7
ALU
Port1 Latch
Port1 Driver
RAM256
TMP1
WDT
P2.0 ~ P2.7
Port3 Latch
Port3 Driver
Port2 Driver
Port2 Latch
P3.0 ~ P3.7
Stack Pointer
Port4 Latch
Port4 Driver
P0.0 ~ P0.7
P4.0 ~ P4.3
Timer0/1
Port0 Driver
Timer2
Port0 Latch
UART
Flash ROM
Generator
Address
Program
Counter
ISP
ERAM
DPTR
7
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