SM8958A Datasheet, PDF (3/25 Pages) SyncMOS Technologies,Inc – 8 - Bit Micro-controller with 32KB flash & 1KB RAM embedded

SyncMOS Technologies Inc.
September 2002
Block Diagram
Timer 2
Timer 1
Timer 0
Stack
Pointer
Decoder &
Register
1024 bytes
RAM
SM8958A
WDT
RES
Reset
Circuit
Vdd
Vss
Power
Circuit
to pertinent blocks
to whole chip
Buffer2
Acc
Buffer1
Buffer
DPTR
PC
Incrementer
XTAL2
XTAL1
#EA
ALE
#PSEN
Interrupt
Circuit
to pertinent blocks
ALU
Timing
Generator
Instruction
Register
to whole system
PSW
SPWM
Port 0
Latch
Port 1
Latch
Port 2
Latch
Port 3
Latch
Port 4
Latch
5
2
Port 0
Port 1
Port 2
Port 3
Port 4
Driver & Mux ^{Driver & Mux Driver & Mux} Driver & Mux Driver & Mux
8
8
8
8
4
Program
Counter
Register
7FFFH
32K
bytes
Flash
Memory
0000H
Specifications subject to change without notice,contact your sales representatives for the most recent information.
3/25
Ver 1.0 PID 8958A 09/02