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TMPR4925 Datasheet(PDF) 444 Page - Toshiba Semiconductor

Part # TMPR4925
Description  64-Bit TX System RISC TX49 Family
PDF  590 Pages
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Manufacturer  TOSHIBA [Toshiba Semiconductor]
Direct Link  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TMPR4925 Datasheet(HTML) 444 Page - Toshiba Semiconductor

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Chapter 14 AC-link Controller
14-34
14.4.14 ACLC DMA Request Status Register (ACDMASTS)
0xF780
This register indicates the AC-link slot data DMA request status.
31
16
Reserved
: Type
: Initial value
15
876
54
32
1
0
Reserved
MODI
REQ
MODO
REQ
Reserved
AUDI
REQ
LFEREQ
CENT
REQ
SURR
REQ
AUDO
REQ
RR
R
R
RR
R
: Type
00
0000
0
: Initial value
Bits
Mnemonic
Field Name
Description
31:8
Reserved
—
Modem Data Reception Request (Initial value: 0, R)
7MODIREQ
Modem Data
Reception
Request
R
0: No request is pending.
1: Request is pending.
Modem Data Transmission Request (Initial value: 0, R)
6
MODOREQ
Modem Data
Transmission
Request
R
0: No request is pending.
1: Request is pending.
5
Reserved
—
Audio Data Reception Request (Initial value: 0, R)
4
AUDIREQ
Audio Data
Reception
Request
R
0: No request is pending.
1: Request is pending.
Audio LFE Data Transmission Request (Initial value: 0, R)
3
LFEREQ
Audio LFE Data
Transmission
Request
R
0: No request is pending.
1: Request is pending.
Audio Center Data Transmission Request (Initial value: 0, R)
2CENTREQ
Audio Center
Data
Transmission
Request
R
0: No request is pending.
1: Request is pending.
Audio Surround L&R Data Transmission Request (Initial value: 0, R)
1
SURRREQ
Audio Surround
L&R Data
Transmission
Request
R
0: No request is pending.
1: Request is pending.
Audio PCM L&R Data Transmission Request (Initial value: 0, 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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