Key Input Status Register (Keysr) - Renesas SH7727 General Information Manual

T-engine development kit, hardware volume
Table of Contents

Advertisement

R0P7727TH003TRKE General Information Manual

6.5.7 Key Input Status Register (KEYSR)

Address: 0x0062 Initial value: 0x00
D7
D6
0
0
R
R
(1) KEY_ONF
KEY_ONF bit
0
1
(2) KEY_OFFF
KEY_OFFF bit
0
1
(3) ARKEYF
ARKEYF bit
0
1
(4) PONSWF
PONSWF bit
0
1
D5
D4
0
PONSWF
R
R/W
An application switch key has not been turned on (Initial value)
An application switch key has been turned on. At this time, if the
KEY_ONI bit is set to ''1,'' a key ON interrupt occurs.
[Clear condition]
"0'' is written with the KEY_ONF bit set to ''1.''
An application switch key is ON or OFF. (Initial value)
An application switch key has changed from ON to OFF. (Initial
value) At time, if the KEY_OFFI bit is set to "1,'' a key OFF
interrupt occurs.
[Clear condition]
"0'' is written with the KEY_OFFI bit set to ''1.''
The same application switch key is not ON for the time specified
in the key auto repeat time register (Initial value)
The same application switch key is not ON for the time specified
in the key auto repeat time register. At this time, if the ARKEYI
bit is set to ''1,'' repeat interrupt occurs.
[Clear condition]
''0'' is written with the ARKEYF bit set to "1.''
The power-on switch has not been turned on for 2sec or more.
witch has been turned on for 2 sec or more.
At this time, if the PONSWI bit is set to "1," a power-on interrupt
occurs.
n]
"0" is written to the PONSWF bit set to "1."
D3
D2
ARKEYF
KEY_OFFF
R/W
R/W
Setting
Setting
Setting
Setting
78
Power Supply Controller
D1
D0
KEY_ONF
0
R/W
R

Advertisement

Table of Contents
loading

Table of Contents