GMS30004 Datasheet, PDF (119/158 Pages) Hynix Semiconductor – 4-BIT SINGLE CHIP MICROCOMPUTERS

é Appendix B Magic- a
4. Pin Description
Pin No.
1
2
3
4
5
6
7
8
9
10
11
Pin
K0
K1
K2
K3
D0
D1
D2
D3
D4
D5
REMOUT
12
OSC2
13
OSC1
14
V_DD
15
RESET
16
GND
17
R0
18
R1
19
R2
20
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
Custom code input 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
B-5