Chapter 1. Introduction
Block Diagram
RESET
1
VDD
24
GND
2
Reset
ROM
10
Watchdog
timer
Stack
¡ ¿
64word
16page
¡ ¿
Program counter
10
8bit
8
4
4
8
4
Instruction
Decoder
4
ALU
MUX
4
4
RAM
Word
Selector
Control Signal
2
16
RAM
16word x
2page x 4bit
X-Reg
Y-Reg
ST
4
ACC
4
10
4
R-Latch
D-Latch
10
OSC
Pluse
Generator
4
4
4
23 22
7
8
9
10
3
4
5
6
11 12 13 14 15 16 17 18 19 20
D0 ~ D9
21
OSC1 OSC2
K0 ~ K3
R0 ~ R3
REMOUT
Fig 1-1 Block Diagram (In case of GMS34140)
1 - 2