參數資料
型號: AK4683_07
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: Asynchronous Multi-Channel Audio CODEC with DIR/T
中文描述: 異步多聲道音頻編解碼器署長/噸
文件頁數: 24/84頁
文件大小: 1077K
代理商: AK4683_07
[AK4683]
MS0427-E-02
2007/04
- 24 -
2. Zero Detection
The AK4683 has one pin for zero detect flag output. The DZFM1-0 bits select the channel grouping (Table 7). The DZF
pin goes “H” when all of the enabled channels are continuously zeros for 8192 LRCK cycles. DZF pin immediately
goes to “L” if input data of any enabled channel is not zero after going DZF “H”.
DZFM1
bit
bit
L1
0
0
0
Enable
1
0
1
Enable
2
1
0
-
3
1
1
-
Table 7. Zero Detection Control
3. Validity Detection
The AK4683 has Validity Detection function. DIR decodes the V bit and output “H” via pin. When unlocked, “L” is
output.
AOUT
R1
Enable
Enable
-
-
Mode
DZFM0
L2
R2
Enable
-
Enable
-
Enable (default)
-
Enable
-
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