參數(shù)資料
型號(hào): AK4112AVF
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: 圓形連接器
英文描述: Circular Connector; No. of Contacts:5; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:14; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:14-5 RoHS Compliant: No
中文描述: 高功能96kHz的24位迪爾
文件頁數(shù): 21/31頁
文件大?。?/td> 304K
代理商: AK4112AVF
ASAHI KASEI
[AK4112A]
MS0020-E-00
2000/3
- 21 -
n
Serial
Control
Interface
The internal registers may be either written or read by the 4-wire μP interface pins: CSN, CCLK, CDTI & CDTO. The
data on this interface consists of Chip address (2bits, C0/1 are fixed to “00”), Read/Write (1bit), Register address (MSB
first, 5bits) and Control data (MSB first, 8bits). Address and data is clocked in on the rising edge of CCLK and data is
clocked out on the falling edge. For write operations, data is latched after the 16th rising edge of CCLK, after a
high-to-low transition of CSN. For read operations, the CDTO output goes high impedance after a low-to-high transition
of CSN. The maximum speed of CCLK is 5MHz. The CSN and CCLK must be fixed to “H” when the register does not
be accessed. PDN= “L” resets the registers to their default values. When the state of P/S pin is changed, the AK4112A
should be reset by 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
CDTO
Hi-Z
WRITE
CDTI
C1
D4
D5
D6
D7
A1
A2
A3
A4
R/W
C0
A0
D0
D1
D2
D3
CDTO
Hi-Z
READ
D4
D5
D6
D7
D0
D1
D2
D3
Hi-Z
C1-C0:
R/W:
A4-A0:
D7-D0:
Chip Address (Fixed to “00”)
READ/WRITE (0:READ, 1:WRITE)
Register Address
Control Data
Figure 10. Control I/F Timing
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