UPD17073 NEC, UPD17073 Datasheet - Page 101

• Manufacturer Part Number: UPD17073
• Description: 4-BIT SINGLE-CHIP MICROCONTROLLER WITH HARDWARE FOR DIGITAL TUNING SYSTEM
• Manufacturer: NEC

At
reset
A/D converter
channel select
register
Power-ON
Clock stop
CE
Name
Figure 13-4. Configuration of A/D Converter Channel Select Register
b
0
0
3
Flag symbol
b
0
0
2
A
D
C
C
H
b
1
0
0
0
0
0
1
1
1
b
A
D
H
C
C
0
0
0
0
0
1
0
1
0
(BANK1)
A/D converter is not used (general-purpose input port)
P1A2/AD0
P1A3/AD1 pin
P1A3/AD1 pin
Address
Fixed to "0"
5CH
Read/
Write
R/W
Sets pins used for A/D converter
PD17072,17073
101