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VR4102 Datasheet(PDF) 492 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) 492 Page - NEC

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CHAPTER 25 HSP (MODEM INTERFACE UNIT)
492
(8) HSPID and HSPEXTIN (0x0C00 0022: Index 2, Read)
Bit
D15
D14
D13
D12
D11
D10
D9
D8
Name
ID7
ID6
ID5
ID4
ID3
ID2
ID1
ID0
R/W
R
RR
RRR
R
R
RTCRST
0
0
0
1
0
0
0
0
Other resets
0
0
0
1
0
0
0
0
Bit
D7
D6D5
D4D3D2
D1
D0
Name
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
ILCS
IRING
R/W
R
RR
RRR
R
R
RTCRST
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Other resets
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Bit
Name
Function
D[15:8]
ID[7:0]
Indicates HSP unit’s ID and revision number
D[7:2]
Reserved
0 is returned after read.
D[1]
ILCS
ILCSENSE input pin state indication
D[0]
IRING
IRING input pin state indication
The upper byte of this register is used to indicate the ID of HSP, and the lower byte is used to indicate the status
of the HSP input signals.
ID[7:0] is divided into two parts. The high-order 4 bits ID[7:4] indicate the ID number of HSP, and the low-order
4 bits ID[3:0] indicate the revision number of HSP.



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