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VR4102 Datasheet(PDF) 395 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) 395 Page - NEC

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CHAPTER 19 PIU (TOUCH PANEL INTERFACE UNIT)
395
19.3.6 PIUASCNREG (0x0B00 0130)
Bit
D15
D14
D13
D12
D11
D10
D9
D8
Name
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
R/W
R
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
Reserved
Reserved
Reserved
Reserved
Reserved
TPPSCAN
ADPS
START
R/W
R
RR
RRR
R/W
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..2]
Reserved
Write 0 when writing. 0 is returned after a read.
D[1]
TPPSCAN
Port selection for ADPortScan
1 : Select TPX[1:0], TPY[1:0] (for touch panel) as A/D port
0 : Select ADIN[3:0] (general-purpose) as A/D port
D[0]
ADPSSTART
ADPorScan start
1 : Start ADPortScan
0 : Do not perform ADPortScan
The ADPortScan begins when the ADPSSTART bit is set. After the ADPortScan is completed, the state returns
to the state when ADPortScan was started. Automatically ADPSSTART bit is reset (to “0”) after ADPortScan is
completed.
If the ADPortScan is not completed within the time period set via PIUSTBLREG’s STABLE bits, a PIULostIntr
interrupt occurs as a timeout interrupt.
Some bits in this register cannot be set in a specific state of scan sequencer. The combination of the setting of
this register and the sequencer state is as follows.



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