GMS30004 Datasheet, PDF (134/158 Pages) Hynix Semiconductor – 4-BIT SINGLE CHIP MICROCOMPUTERS

ê Appendix D Magic- b
3. Pin Description
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Pin
K0
K1
K2
K3
D0
D1
D2
D3
D4
D5
REMOUT
OSC2
OSC1
V_DD
RESET
GND
R0
R1
R2
R3
Funcrion
Key Input No. 0 pin
Key Input No. 1 pin
Key Input No. 2 pin
Key Input No. 3 pin
Key Scan Signal No. 0 pin
Key Scan Signal No. 1 pin
Key Scan Signal No. 2 pin
Key Scan Signal No. 3 pin
Custom code input pin
Key Scan Signal No. 4 pin
Out of Transmission pin
Connect Ceramic Resonator between
OSC1 & OSC2
Connect Ceramic Resonator between
OSC1 & OSC2
Connect 3V power source
Reset by input of ÌLÌ
Reference voltage for all inputs & outputs 0V
Key Input No. 4 pin
Key Input No. 5 pin
Key Input No. 6 pin
Key Input No. 7 pin
Remark
D-4