UPD17073 NEC, UPD17073 Datasheet - Page 52

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

Peripheral
hardware
A/D
converter channel select
General-
purpose
port
Serial
interface
52
A/D converter
register
A/D converter
reference
voltage setting
register
A/D converter
compare start
register
A/D converter
compare result
detection register
Port 0B bit I/O
select register
Port 0C bit I/O
select register
Serial I/O mode
select register
Serial I/O clock
select register
Name
Table 8-1. Peripheral Hardware Control Functions of Peripheral Control Registers (3/4)
Control register
(BANK1) R/W
(BANK1) R/W
(BANK1) R/W
(BANK1) R
(BANK1) R/W
(BANK1) R/W
(BANK1) R/W
(BANK1) R/W
Address
5CH
5DH
5EH
5FH
6EH
6FH
60H
61H
Read/ b
Write b
– – – – – – – – -
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
– – – – – – – – -
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – -
– – – – – – – – -
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
– – – – – – – – -
– – – – – – – – -
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
– – – – – – – – -
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
– – – – – – – – -
b
b
0
0
ADCCH1
ADCCH0
ADCRFSEL3 Sets compare voltage
ADCRFSEL2
ADCRFSEL1
ADCRFSEL0
0
0
0
ADCSTRT
0
0
0
ADCCMP
P0BBIO3
P0BBIO2
P0BBIO1
P0BBIO0
P0DBIO3
P0DBIO2
P0CBIO1
P0CBIO0
0
SIOSEL
SIOHIZ
SIOTS
0
0
SIOCK1
SIOCK0
3
2
1
0
Symbol
Fixed to 0
Selects pin used for A/D converter
Fixed to 0
Starts A/D converter operation/checks
comparator operation
Fixed to 0
Detects compare result
P0B3 pin
P0B2 pin
P0B1 pin
P0B0 pin
P0D3 pin
P0D2 pin
P0C1 pin
P0C0 pin
Fixed to 0
Selects serial I/O mode of P0B3/SI/SO1 pin Serial input
Sets P1C0/SO0 pin in serial output mode
Sets start or stop of operation
Fixed to 0
Sets clock of serial interface
Functional outline
Sets I/O mode of
these pins (bit I/O)
Peripheral hardware control function
0
Not used
0
V
Invalid/Stop
V
Input
General-purpose
output port
Stops operation
0
External clock 12.5 kHz 18.75 kHz 37.5 kHz
0
REF
ADCIN
=
< V
x + 0.5
0
REF
0
1
0
1
16
AD0
Set value
(0
V
x
1
0
Starts/operates
V
Output
Serial output
Serial output
Starts operation
1
0
DD
ADCIN
(V)
0FH)
AD1
PD17072,17073
> V
1
1
1
REF
1
1
AD1
Power- Clock CE
ON stop
0
0
0
0
0
0
0
At reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0