UPD17073 NEC, UPD17073 Datasheet - Page 53
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UPD17073
Manufacturer Part Number
UPD17073
Description
4-BIT SINGLE-CHIP MICROCONTROLLER WITH HARDWARE FOR DIGITAL TUNING SYSTEM
Manufacturer
NEC
Datasheet
1.UPD17073.pdf
(226 pages)
- Current page: 53 of 226
- Download datasheet (2Mb)
Peripheral
hardware
IF counter IF counter mode
BEEP
LCD
controller/ display start
driver
Standby
Note
Remark R: Previous status is retained.
select register
IF counter gate
status detection
register
IF counter control (BANK1) W
register
BEEP clock
select register
LCD driver
register
System clock
select register
When LCDEN= 1, the power supply for the A/D converter is ON even if ADCON = 0.
Name
Table 8-1. Peripheral Hardware Control Functions of Peripheral Control Registers (4/4)
Control register
(BANK1) R/W
(BANK1) R
(BANK1) R/W
(BANK1) R/W
(BANK1) R/W
Address
62H
63H
64H
5BH
50H
55H
Read/ b
Write b
– – – – – – – – -
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
– – – – – – – – -
– – – – – – – – -
– – – – – – – – -
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
– – – – – – – – -
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
– – – – – – – – -
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
– – – – – – – – -
– – – – – – – – -
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
– – – – – – – – -
– – – – – – – – -
– – – – – – – – -
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
b
b
IFCMD1
IFCMD0
IFCCK1
IFCCK0
0
0
0
IFCG
0
0
IFCSTRT
IFCRES
0
0
BEEP0CK1 Sets output status of BEEP pin
BEEP0CK0
0
0
ADCON
LCDEN
0
0
0
SYSCK
3
2
1
0
Symbol
Note
Sets mode of IF counter
Sets gate time of IF counter
Fixed to 0
Detects opening/closing gate of IF counter
Fixed to 0
Starts counting of IF counter
Resets IF counter
Fixed to 0
Fixed to 0
Sets A/D converter power supply and
ON/OFF of all LCD display
Fixed to 0
Selects system clock
(1 instruction execution time)
Functional outline
Peripheral hardware control function
Closed
Does not start
Does not reset
0
General output port General output port BEEP
(low-level output)
0
0
Power OFF
Display OFF Display ON Display OFF Display ON
0
53.3 s
0
IF counter OFF
(General I/O port) FMIF mode AMIF mode AMIF mode
0
0
0
1 ms
0
0
1
0
1
Power ON Power ON
0
1
0
1
4 ms
FMIFC pin AMIFC pin FMIFC pin
(high-level output) (1.5 kHz) (3 kHz)
Set value
PD17072,17073
Open
Starts
Resets
1
0
1
0
106.6 s
1
0
1
0
8 ms
1
Power ON
1
1
1
1
1
1
1
1
Open
BEEP
– – – – – – – – – – –
Power- Clock CE
ON stop
0
0
0
0
0
0
0
At reset
R
0
0
0
0
0
0
53
R
R
R
0
0
0
0
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