SD6830 Datasheet, PDF (4/34 Pages) AUK corp – 4BIT MICROCONTROLLER

5.3 PIN Assignment for 20PINS( DIP20, SOP20)
SD6830
SDD668830
Figure 5-3. Pin Assignment of 20Pin
5.4 PIN Description for 20 PINS
Symbol
VDD
VSS
TEST
OSCin
OSCout
C/REM
D0 - D3
E0 – E1
F0 – F6
K
Pin No.
20
1
18
2
3
19
4~7
8~9
16 ~ 10
17
I /O
-
-
INPUT
INPUT
OUTPUT
OUTPUT
INPUT
INPUT
OUTPUT
OUTPUT
Functions
Power Supply
Ground
Input for test ( Normally connected to VSS )
Input for oscillating
Output for oscillating
1-Bit output for remote transmission
4-Bit input for key scan ( with pull-up resistor )
2-Bit input for key scan ( with pull-up resistor )
1-Bit individual output for key scan
1-Bit output
I/O Type
B
A
A
C
D
KSI-W002-000
4