TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 661
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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ACLINK
Rev. 3.1 November 1, 2005
Bit
10
9
8
7:6
5
4
Mnemonic
CENTDMA
SURRDMA
AUDODMA
⎯
RDYCLR
MICSEL
Field Name
Enable Audio
Center
Transmit- data
DMA
Enable Audio
Surround L&R
Transmit-data
DMA
Enable Audio PCM
L&R Transmit-data
DMA
Reserved
Clear CODEC
Ready Bit
MIC Selection
Description
CENTDMA: Enable Audio Center Transmit-data DMA.
SURRDMA: Enable Audio Surround L&R Transmit-data DMA.
AUDODMA: Enable Audio PCM L&R Transmit-data DMA.
RDYCLR: Clear CODEC Ready Bit
MICSEL: MIC Selection.
R
W1S
R
W1S
W1C
Note:
R
W1S
Note : DMA size must be internal FIFO depth or more.
R
W1S
Note : DMA size must be internal FIFO depth or more.
Note : DMA size must be internal FIFO depth or more.
Table 24-11 ACCTLEN Register
0:
1:
0:
1:
0:
1:
0:
1:
0:
1:
0:
1:
0:
1:
This bit should only be written to reevaluate the CODEC
ready status after power-down command is sent to CODEC.
0:
1:
0:
1:
Indicates that audio Surround L&R transmit-data DMA
is disabled.
Indicates that audio Surround L&R transmit-data DMA
is enabled.
No effect
Enables audio Surround L&R transmit-data DMA.
Indicates that audio Center transmit-data DMA is
disabled.
Indicates that audio Center transmit-data DMA is
enabled.
No effect
Enables audio Center transmit-data DMA.
Indicates that audio PCM L&R transmit-data DMA is
disabled.
Indicates that audio PCM L&R transmit-data DMA is
enabled.
No effect
Enables audio PCM L&R transmit-data DMA.
No effect
Clear CODEC[1:0] ready bits
Indicates that PCM L&R (Slot 3&4) is selected for audio
reception.
Indicates that MIC (Slot 6) is selected for audio
reception.
No effect
Selects MIC (Slot 6) for audio reception.
24-19
Toshiba RISC Processor
R/W
R/W1S
R/W1S
R/W1S
⎯
W1S
R/W1S
TX4939
24
24
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