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VR4102 Datasheet(PDF) 438 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) 438 Page - NEC

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CHAPTER 22 DSIU (DEBUG SERIAL INTERFACE UNIT)
438
22.2.3 ASIM00REG (0x0B00 01A4)
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
RXE0
PS0[1]
PS0[0]
CL0
SL0
Reserved
Reserved
R/W
R
R/W
R/W
R/W
R/W
R/W
R
R
RTCRST
1
0
0
0
0
0
0
0
Other resets
1
0
0
0
0
0
0
0
Bit
Name
Function
D[15:8]
Reserved
Write 0 when writing. 0 is returned after a read.
D[7]
Reserved
Write 1 when writing. 1 is returned after a read.
D[6]
RXE0
Debug serial reception enable
1 : Enable
0 : Prohibit
D[5:4]
PS0[1:0]
Debug serial parity select
11 : Even parity
10 : Odd parity
01 : Zero parity bits during transmit
No parity during receive
00 : No parity. Set to 00 for extended-bit operations
D[3]
CL0
Debug serial character length setting
1 : 8 bits
0 : 7 bits
D[2]
SL0
Debug serial stop bit setting
1 : 2 bits
0 : 1 bit
D[1:0]
Reserved
Write 0 when writing. 0 is returned after a read.
This register is used to make various serial communication settings for debugging.
The setting of RXE0 bit is reflected on the output from DRTS# pin. 0 is output when this bit is set to 1 (reception
enable), and 1 is output when this bit is set to 0 (reception prohibit).
If this register is changed during transmission or reception of serial data for debugging, the DSIU’s operations
cannot be guaranteed.



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