参数资料
型号: TLV320AIC27IPFB
厂商: TEXAS INSTRUMENTS INC
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封装: PLASTIC, TQFP-48
文件页数: 11/54页
文件大小: 732K
代理商: TLV320AIC27IPFB
TLV320AIC27
STEREO AUDIO CODEC
SLAS253A – MARCH 2000 – REVISED SEPTEMBER 2000
19
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
ac-link digital serial interface protocol (continued)
SLOT
NUMBER
SYNC
SDATA_OUT
SDATA_IN
TAG PHASE
TAG
CMD
ADR
CMD
DATA
PCM
LEFT
PCM
RIGHT
LINE 1
PCM
LFE
RSRVD
TAG
STATUS
ADDR
STATUS
DATA
PCM
LEFT
PCM
RIGHT
RSRVD
GPIO
STATUS
01
2
3
4
5
67
89
10
11
12
PCM
CENTER
PCM
L SURR
PCM
R SURR
GPIO
CTRL
PCM C
(n+1)
PCM R
(n+1)
PCM L
(n+1)
CODEC ID
SLOTREQ 3–12
DATA PHASE
DAC
LINE 1
DAC
LINE 2
DAC
LINE 2
DAC
Figure 7. AC’97 Standard Bidirectional Audio Frame Modem Mode
SLOT
NUMBER
SYNC
SDATA_IN
TAG
CMD
ADR
CMD
DATA
PCM
LEFT
PCM
RIGHT
LINE 1
PCM
LFE
HSET
TAG
STATUS
ADDR
STATUS
DATA
PCM
LEFT
PCM
RIGHT
MIC
RSRVD
IO
STATUS
01
2
3
4
5
67
89
10
11
12
PCM
CENTER
PCM
L SURR
PCM
R SURR
IO
CTRL
PCM C
(n+1)
PCM R
(n+1)
PCM L
(n+1)
CODEC ID
SLOTREQ 3–12
DAC
LINE 2
DAC
LINE 1
DAC
ADC
HSET
LINE 2
ADC
Figure 8. AC’97 Standard Bidirectional Audio Frame In Quad Mode
SYNC
BIT_CLK
SDATA_OUT
VALID
FRAME
SLOT(1)
SLOT(2)
SLOT(12)
’0’
19
0
19
0
19
0
19
0
12.288 MHz
81.4 nS
END OF PREVIOUS
AUDIO FRAME
TIME SLOT ’VALID’ BITS
(’1’ = TIME SLOT CONTAINS
VALID PCM DATA)
SLOT (1)
SLOT (2)
SLOT (3)
SLOT (12)
DATA PHASE
TAG PHASE
20.8
S (48 kHz)
Figure 9. AC-Link Serial Interface Protocol Output Frame
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