TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 680
TX4939XBG-400
Manufacturer Part Number
TX4939XBG-400
Description
Manufacturer
Toshiba
Datasheet
1.TX4939XBG-400.pdf
(740 pages)
Specifications of TX4939XBG-400
Cpu Core
TX49/H4 90nm
Clock Mhz/max Mips
400/520
Inst./data Cache
32KB (4 Way)/32KB (4 Way)
Tlb
x
1cycle Mac
x
Volts (v)
1.25/2.5/3.3
Peripherals
DDR, NAND, ATA, ETHERNET, SECURITY, FPU, MMU, SPI, I2S, I2C, PCI, VIDEO, UART, TIMER, RTC
Companion Chip
TC86C001FG
Package
PGBA456
Available stocks
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Price
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872
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ACLINK
24.4.15. ACLC DMA Channel Selection Register
This register is used to select and check the channel allocation for AC-link slot data DMA.
This register selects DMA channel mapping mode.
pending before changing this register value.
Rev. 3.1 November 1, 2005
Bit
31:2
1:0
Default:
Default:
Name:
Name:
R/W:
R/W:
Bit:
Bit:
Mnemonic Field Name
⎯
ACDMASEL
31
15
30
14
Reserved
DMA Channel
Selection
29
13
28
12
Description
ACDMASEL: DMA Channel Selection
27
11
Figure 24-20
W
Table 24-22
26
10
0:
1:
2:
3:
PCM L&R out, Audio in, and Modem out&in.
PCM L&R out, Surround L&R out, and Modem out&in.
PCM L&R out, Surround L&R out, Center out, and LFE out.
PCM L&R out, Surround L&R out, Center out, and Audio in.
RESERVED
The software is recommended to make sure no DMA request is
25
9
24-38
ACDMASEL Register
ACDMASEL Register
RESERVED
24
8
23
7
22
6
21
5
20
Toshiba RISC Processor
4
19
3
0xF784
18
2
R/W
⎯
R/W
ACDMASEL
17
1
TX4939
R/W
00
16
0
24
24
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