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