Chapter 1. Introduction
Block Diagram
The GMS300 series is composed as shown below. These blocks are detailed in
CHAPTER2.
RESET
1
VDD
24
GND
2
Reset
ROM
64word
16page
8bit
10
Watchdog
timer
Stack
Program counter
10
8
4
4
8
4
4
Instruction
Decoder
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 (for GMS30140)
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