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VR4102 Datasheet(PDF) 508 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) 508 Page - NEC

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CHAPTER 26 FIR (FAST IrDA INTERFACE UNIT)
508
26.2.9 CRCSR (0x0C00 005C)
Bit
D15
D14
D13
D12
D11
D10
D9
D8
Name
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
R/W
RRR
RR
RR
R
RTCRST
000
00
00
0
Other resets
0
0
0
0
0
0
0
0
Bit
D7D6D5
D4D3
D2D1
D0
Name
TX_EN
RX_EN
4PPM_DIS
DPLL_DIS
Reserved
NON_CRC
CRC_INV
DATA_INV
R/W
R/W
R/W
R/W
R/W
R
R/W
R/W
R/W
RTCRST
000
00
10
0
Other resets
0
0
0
0
0
1
0
0
Bit
Name
Function
D15 to D8
Reserved
Write 0 when writing. 0 is returned after a read.
D7
TX_EN
This bit is used to control (enable/prohibit) masking of transmit start enable flag.
Masking sequence transition to transmission enable state entered by writing the
TXFL register is:
0: Prohibited
1: Enabled
D6
RX_EN
This bit is used to control (enable/prohibit) receive operation.
Releasing masking of receive line, sampling data, and generating receive clocks are:
0: Prohibited
1: Enabled
D5
4PPM_DIS
This bit is used to control (enable/prohibit) the 4PPM modulation (for debugging).
The 4PPM modulation of transmit data is:
0: Enabled
1: Prohibited
D4
DPLL_DIS
This bit is used to control (enable/prohibit) the bit correction (for debugging).
Bit correction of received data is:
0: Enabled
1: Prohibited
D3
Reserved
Write 0 when writing. 0 is returned after a read.
D2
NON_CRC
This bit is used to control whether or not a CRC is added for frames to be transmitted
(for debugging).
0: Add CRC
1: Do not add CRC



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