92
6.5.8 RTC/Touch Panel/Key Input/Power Supply Status Register (RTKISR)
This status register indicates the RTC, touch panel, or key input status. Below is a brief description of the status
bits for key input.
Address: 0x0090 Initial value: 0x00
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0
IRRIF
POWERIF
KEYIF
TPIF
RTCIF
R
R
R
R/W
R/W
R/W
R/W
R/W
(1) KEYIF
KEYIF bit
Setting
0
The PONSWF, ARKEYF, KEY_OFFF, and KEY_ONF bits of the key
input status register are all set to “0.” (Initial value)
1
One of the PONSWF, ARKEYF, KEY_OFFF, or KEY_ONF bits of the
key input status register is set to “1.”
[Clear condition]
This bit is cleared when “0” is written with the KEYIF bit set to “1.”