SyncMOS Technologies International. Inc.
SM79108
Block Diagram
Decoder &
Register
256
Stack
Pointer
Timer 1
Timer 2
Timer 0
bytes RAM
Buffer
DPTR
WDT
to pertinent blocks
to whole chip
RES
Reset
Circuit
Acc
Vdd
Vss
PC
Incrementer
Power
Circuit
Buffer2
Buffer1
to pertinent blocks
Program
Counter
Interrupt
Circuit
ALU
Register
PSW
XTAL2
XTAL1
#EA
Timing
to whole system
Generator
ALE/SEG5
#PSENSEG4
Instruction
Register
8 K
bytes
ADC
Flash
Memory
Port 1
Latch
Port 3
Latch
Port 2
Latch
Port 0
Latch
SPWM
PWM
LCD
Driver
Port 1
Port 0
Port 2
Driver & Mux
Port 3
Driver & Mux
Driver & Mux
Driver & Mux
(14 x 4)
8
8
8
8
Specifications subject to change without notice,contact your sales representatives for the most recent information.
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Ver 2.1 SM79108 08/2006