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VR4102 Datasheet(PDF) 431 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) 431 Page - NEC

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CHAPTER 21 KIU (KEYBOARD INTERFACE UNIT)
431
21.2.6 KIUINT (0x0B00 0198)
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
KDATLOST
KDATRDY
SCANINT
R/W
R
R
R
R
R
R/W
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..3]
Reserved
Write 0 when writing. 0 is returned after a read.
D[2]
KDATLOST
Key scan data lost interrupt. Cleared to 0 when 1 is written.
1 : Yes
0 : No
D[1]
KDATRDY
Key data scan complete interrupt. Cleared to 0 when 1 is written.
1 : Yes
0 : No
D[0]
SCANINT
Key input detection interrupt. Cleared to 0 when 1 is written.
1 : Yes
0 : No
This register indicates the type of interrupt that has occurred in the KIU.



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