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TMPR4937 Datasheet(PDF) 440 Page - Toshiba Semiconductor

Part # TMPR4937
Description  64-Bit TX System RISC TX49 Family
PDF  552 Pages
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Manufacturer  TOSHIBA [Toshiba Semiconductor]
Direct Link  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TMPR4937 Datasheet(HTML) 440 Page - Toshiba Semiconductor

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Chapter 14 AC-link Controller
14-34
14.4.14 ACLC DMA Request Status Register
0xF780
This register indicates the AC-link slot data DMA request status.
31
16
Reserved
: Type
: Initial value
15
8
7
6
5
4
3
2
1
0
Reserved
MODI
REQ
MODO
REQ
Reserved
AUDI
REQ
LFEREQ
CENT
REQ
SURR
REQ
AUDO
REQ
R
R
R
R
R
R
R
: Type
0
0
0
0
0
0
0
: Initial value
Bit
Mnemonic
Field Name
Description
Read/Write
31:8
⎯
Reserved
⎯
MODIREQ: Modem Data Reception Request
R
7
MODIREQ
Modem Data
Reception
Request
R
0: No request is pending.
1: Request is pending.
MODOREQ: Modem Data Transmission Request
R
6
MODOREQ Modem Data
Transmission
Request
R
0: No request is pending.
1: Request is pending.
5
⎯
Reserved
⎯
AUDIREQ: Audio Data Reception Request
R
4
AUDIREQ
Audio Data
Reception
Request
R
0: No request is pending.
1: Request is pending.
LFEREQ: Audio LFE Data Transmission Request
R
3
LFEREQ
Audio LFE Data
Transmission
Request
R
0: No request is pending.
1: Request is pending.
CENTREQ: Audio Center Data Transmission Request
R
2
CENTREQ
Audio Center
Data
Transmission
Request
R
0: No request is pending.
1: Request is pending.
SURRREQ: Audio Surround L&R Data Transmission Request
R
1
SURRREQ
Audio Surround
L&R Data
Transmission
Request
R
0: No request is pending.
1: Request is pending.
AUDOREQ: Audio PCM L&R Data Transmission Request
R
0
AUDOREQ
Audio PCM L&R
Data
Transmission
Request
R
0: No request is pending.
1: Request is pending.
Figure 14.4.11 ACDMASTS Register
This read-only register shows if any DMA request is pending for each data I/O channel. A DMA
request can be pending after the software deactivates the DMAC channel or disables DMA by
ACCTLDIS register bit to complete DMA operation. In this case, write or read the sample data register
(ACAUDODAT and others) to clear the DMA request.



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