SyncMOS Technologies Inc.
January 2003
Block Diagram
Stack
Pointer
Preliminary
SM79108
Timer 2
Timer 1
Timer 0
Decoder &
Register
256
bytes RAM
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
XTAL2
XTAL1
#EA
ALE/SEG5
#PSENSEG4
Timing
Generator
to whole system
PSW
Register
Instruction
Register
8K
bytes
ADC
Port 0
Latch
SPWM
PWM
LCD
Driver
(14 x 4)
Port 1
Latch
Port 2
Latch
Port 3
Latch
Flash
Memory
Port 0
Driver & Mux
8
Port 2
Port 3
Driver & Mux Driver & Mux Driver & Mux
8
8
8
Port 1
Specifications subject to change without notice,contact your sales representatives for the most recent information.
3/26
Preliminary
Ver 1.0
SM79108 01/03
SYNCMOS [ SYNCMOS TECHNOLOGIES,INC ]
