SyncMOS Technologies International. Inc.
SM79164
Block Diagram
Timer 1
Stack
Pointer
Decoder &
Register
4096 bytes
RAM
Timer 2
Timer 0
WDT
RES
Reset
Circuit
to pertinent blocks
Acc
to whole chip
Buffer2
Buffer1
Buffer
DPTR
Vdd
Vss
Power
Circuit
PC
Incrementer
Interrupt
Circuit
to pertinent blocks
ALU
Program
Counter
Register
XTAL2
XTAL1
#EA
ALE
#PSEN
Timing
Generator
to whole system
FFFFH
PSW
Instruction
Register
64K
bytes
Flash
Memory
Port 0
Latch
8
PWM
Port 1
Latch
Port 2
Latch
Port 3
Latch
Port 4
Latch
0000H
Port 0
Driver & Mux
8
Port 1
Driver & Mux
Port 2
Driver & Mux
Port 3
Driver & Mux
8
Port 4
Driver & Mux
4
8
8
Specifications subject to change without notice,contact your sales representatives for the most recent information.
3/26
Ver 2.1
SM79164 08/2006