參數(shù)資料
型號(hào): AK4665AEN
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 20-Bit Stereo CODEC with MIC/HP-AMP
中文描述: 20位立體聲編解碼器麥克風(fēng)/惠普腺苷
文件頁數(shù): 40/52頁
文件大?。?/td> 541K
代理商: AK4665AEN
ASAHI KASEI
[AK4665A]
MS0440-E-01
2006/05
- 40 -
Serial Control Interface
Internal registers may be written via the 3-wire μP interface pins (CSN, CCLK and CDTI). The data on this interface
consists of Chip address (2bits, Fixed to “10”), Read/Write (1bit, Fixed to “1”, Write only), Register address (MSB first,
5bits) and Control data (MSB first, 8bits). Data is clocked in on the rising edge of CCLK. For write operations, data is
latched on the rising edge of 16th clock of CCLK. The clock speed of CCLK is 5MHz (max). The value of internal
registers is initialized at PDN= “L”.
CDTI
CCLK
CSN
C1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
D4
D5
D6
D7
A1
A2
A3
A4
R/W
C0
A0
D0
D1
D2
D3
C1-C0:
R/W:
A4-A0:
D7-D0:
Chip Address (Fixed to “10”)
Read/Write (Fixed to “1”: Write only)
Register Address
Control Data
Figure 26. Control Interface
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