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9.2.9 KIUINTREG (0x0B00 0086)
Bit
15
Name
Reserved
R/W
R
RTCRST
0
Other resets
0
Bit
7
Name
Reserved
R/W
R
RTCRST
0
Other resets
0
Bit
Name
15 to 3
Reserved
2
KDATLOST
1
KDATRDY
0
KDOWNINT
The KDATLOST bit is also cleared when the KIUDAT0 register is read.
184
CHAPTER 9 INTERRUPT CONTROL UNIT (ICU)
14
13
Reserved
Reserved
Reserved
R
R
0
0
0
0
6
5
Reserved
Reserved
Reserved
R
R
0
0
0
0
0 is returned when read
Keyboard Data Lost interrupt request. This interrupt request occurs if the
KIUDAT0 register is updated with the next key data prior to being read by the CPU
core.
0 : Not occurred
1 : Occurred
This bit is cleared by writing 1.
Keyboard Data Ready interrupt request. This interrupt request occurs when a set
of scanning is completed and all the KIUDAT registers are updated.
0 : Not occurred
1 : Occurred
This bit is cleared by writing 1.
Key Down interrupt request. This interrupt request occurs when the KIU
sequencer is idle and any of the SCANIN inputs has been sampled as low level.
0 : Not occurred
1 : Occurred
This bit is cleared by writing 1.
User's Manual U14272EJ3V0UM
12
11
10
Reserved
Reserved
R
R
R
0
0
0
0
0
0
4
3
2
Reserved
KDATLOST
R
R
R/W
0
0
0
0
0
0
Function
9
8
Reserved
Reserved
R
R
0
0
0
0
1
0
KDATRDY
KDOWNINT
R/W
R/W
0
0
0
0
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