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VR4102 Datasheet(PDF) 390 Page - NEC

Part # VR4102
Description  64/32-bit Microprocessor
PDF  701 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

VR4102 Datasheet(HTML) 390 Page - NEC

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CHAPTER 19 PIU (TOUCH PANEL INTERFACE UNIT)
390
19.3.2 PIUINTREG (0x0B00 0124)
Bit
D15
D14
D13
D12
D11
D10
D9
D8
Name
OVP
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
R/W
R/W
RR
RRR
R
R
RTCRST
0
0
0
0
0
0
0
0
Other resets
0
0
0
0
0
0
0
0
Bit
D7
D6D5
D4D3D2
D1
D0
Name
Reserved
PADCMD
INTR
PADADP
INTR
PADPAGE1
INTR
PADPAGE0
INTR
PADDLOST
INTR
Reserved
PENCHG
INTR
R/W
R
R/W
R/W
R/W
R/W
R/W
R
R/W
RTCRST
0
0
0
0
0
0
0
0
Other resets
0
0
0
0
0
0
0
0
Bit
Name
Function
D[15]
OVP
Valid page ID bit (older valid page)
1 : Valid data older than page 1 buffer data is retained
0 : Valid data older than page 0 buffer data is retained
D[14..7]
Reserved
Write 0 when writing. 0 is returned after a read.
D[6]
PADCMDINTR
PIU command scan interrupt. Cleared to 0 when 1 is written.
1 : Indicates that command scan found valid data
0 : Indicates that command scan did not find valid data in buffer
D[5]
PADADPINTR
PIU A/D port scan interrupt . Cleared to 0 when 1 is written.
1 : Indicates that A/D port scan found valid data with “1” value in buffer
0 : Indicates that A/D port scan did not find valid data with “1” value in buffer
D[4]
PADPAGE1INTR
PIU data buffer page 1 interrupt. Cleared to 0 when 1 is written.
1 : Valid data with “1” value is stored in page 1 of data buffer
0 : No valid data with “1” value in page 1 of data buffer
D[3]
PADPAGE0INTR
PIU data buffer page 0 interrupt. Cleared to 0 when 1 is written.
1 : Valid data with “1” value is stored in page 0 of data buffer
0 : No valid data with “1” value in page 0 of data buffer
D[2]
PADDLOSTINTR
A/D data timeout. Cleared to 0 when 1 is written.
1 : Not data with “1” value found within specified time
0 : No timeout
D[1]
Reserved
Write 0 when writing. 0 is returned after a read.
D[0]
PENCHGINTR
Change in touch panel contact state. Cleared to 0 when 1 is written.
1 : Change has occurred
0 : No change
This register is used to set or indicate an occurrence of PIU’s various interrupt requests.



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