參數(shù)資料
型號(hào): AK4566
廠(chǎng)商: Asahi Kasei Microsystems Co.,Ltd
元件分類(lèi): Codec
英文描述: 20bit Stereo CODEC with built-in IPGA & HP-AMP
中文描述: 20位立體聲編解碼器內(nèi)置單親遺傳算法
文件頁(yè)數(shù): 26/45頁(yè)
文件大?。?/td> 454K
代理商: AK4566
ASAHI KASEI
AKM CONFIDENTIAL
[AK4566]
REV 0.5
2002/2
- 26 -
n
Serial Control Interface
Internal registers may be written to 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). Address and data is clocked in on the rising edge of CCLK. For write operations,
data is latched after a low-to-high transition of CSN. 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: Chip Address (Fixed to “10”)
R/W: Read/Write (Fixed to “1” : Write only)
A4-A0: Register Address
D7-D0: Control Data
Figure 21. Control Interface
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