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VR4102 Datasheet(PDF) 411 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) 411 Page - NEC

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CHAPTER 20 AIU (AUDIO INTERFACE UNIT)
411
20.2.2 SDMADATREG (0x0B00 0162)
Bit
D15
D14
D13
D12
D11
D10
D9
D8
Name
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
SDMA[9]
SDMA[8]
R/W
R
RR
RRR
R/W
R/W
RTCRST
00
00
0
0
1
0
Other resets
0
0
0
0
0
0
1
0
Bit
D7
D6D5
D4D3D2
D1
D0
Name
SDMA[7]
SDMA[6]
SDMA[5]
SDMA[4]
SDMA[3]
SDMA[2]
SDMA[1]
SDMA[0]
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
RTCRST
00
00
0
0
0
0
Other resets
0
0
0
0
0
0
0
0
Bit
Name
Function
D[15:10]
Reserved
Write 0 when writing. 0 is returned after a read.
D[9:0]
SDMA[9:0]
Speaker output DMA data (from buffer to SODATREG)
This register is used to store 10-bit DMA data for speaker output.
When SODATREG is empty, the data is
transferred to SODATREG. Write is used for debugging and is enabled when AIUSEN bit of SEQREG is set to 1.
This register is cleared (0x0200) by resetting AIUSEN bit of SEQREG to 0.



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