SM8951B Datasheet, PDF (5/18 Pages) SyncMOS Technologies,Inc – 8-Bits Micro-controller

SyncMOS Technologies International, Inc.
Block Diagram
SM8951B
8-Bits Micro-controller
With4KBFlashROM&128bytesRAM embedded
Timer 1
Timer 0
Stack
Pointer
Decoder &
Register
128
bytes RAM
RES
Vdd
Vss
WDT
Reset
Circuit
Power
Circuit
to pertinent blocks
to whole chip
Buffer2
Acc
Buffer1
Interrupt
Circuit
to pertinent blocks
ALU
Timing
Generator
to whole system
PSW
In st ru ctio n
Regist er
Port 0
Latch
Port 1
Latch
Port 2
Latch
Port 3
Latch
Port 0
Port 1
Port 2
Port 3
Driver & Mux ^{Driver & Mux Driver & Mux Driver & Mux}
8
8
8
8
Buffer
DPTR
PC
Incrementer
Program
Counter
Register
4K
bytes
Flash
Memory
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M022Ver:BSM8951B
5
06/2009