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參數(shù)資料
| 型號(hào)： | DMA2281 |
| 英文描述： | Consumer IC |
| 中文描述： | 消費(fèi)性IC |
| 文件頁(yè)數(shù)： | 30/36頁(yè) |
| 文件大小： | 496K |
| 代理商： | DMA2281 |
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DMA 2271, DMA 2280, DMA 2281
30
Table 4–2:
16–bit DMA status registers, information from DMA to CCU
Address
Label
Bit No.
Function
206
206
206
206
206
206
206
206
BER
VER
C1S
C2S
C3S
C4S
P0S
SYNC
0–7
8–9
10
11
12
13
14
15
bit error rate
number of erroneous bits detected by the golay decoder within the 82 packet
headers of one frame
version
0:
C/D/D2–MAC Decoder
1:
D2–MAC Decoder
2:
D–MAC Decoder
3:
C/D2–MAC Decoder
status of sound signal selected by C1A
0:
sound signal is inactive or interrupted
1:
sound signal is present
status of sound signal selected by C2A
0:
sound signal is inactive or interrupted
1:
sound signal is present
status of sound signal selected by C3A
0:
sound signal is inactive or interrupted
1:
sound signal is present
status of sound signal selected by C4A
0:
sound signal is inactive or interrupted
1:
sound signal is present
status of packet 0 buffer
0:
packet 0 selected by DGT not received
1:
packet 0 received
status of frame sync word detector
0:
frame sync word not detected within 8 frames
1:
frame sync word detected
207
207
WL
BL
0–7
8–15
white level measured in line 624 (typical value = 240)
black level measured in line 624 (typical value = 16)
208
208
208
208
C1L
C2L
C3L
C4L
0–3
4–7
8–11
12–15
coding law of sound signal selected by C1A
coding law of sound signal selected by C2A
coding law of sound signal selected by C3A
coding law of sound signal selected by C4A
L =
0: companded law
1: linear law
H =
0: first level protection
1: second level protection
HQ = 0: medium quality sound
1: high quality sound
S =
0: monophonic sound
1: stereophonic sound
209
209
PSL
PSH
0–7
8–15
packet 0 syndrom low byte
packet 0 syndrom high byte
PSL + PSH = 0: packet 0 received without error
PSL + PSH > 0: packet 0 received with error
210
210
PDL
PDH
0–7
8–15
packet 0 data low byte
packet 0 data high byte
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