參數(shù)資料
型號: AK4368EG
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: DAC with built-in PLL & HP-AMP
中文描述: DAC,帶有內(nèi)置的鎖相環(huán)
文件頁數(shù): 46/60頁
文件大?。?/td> 817K
代理商: AK4368EG
ASAHI KASEI
[AK4368EG]
MS0529-E-00
2006/07
- 46 -
Serial Control Interface
(1) 3-wire Serial Control Mode (I2C pin = “L”)
Internal registers may be written to via the 3-wire
μ
P interface pins (CSN, CCLK and CDTI). The data on this interface
consists of the Chip address (2-bits, Fixed to “01”), Read/Write (1-bit, Fixed to “1”, Write only), Register address (MSB
first, 5-bits) and Control data (MSB first, 8-bits). Address and data are clocked in on the rising edge of CCLK. For write
operations, the data is latched after a low-to-high transition of the 16th CCLK. The clock speed of CCLK is 5MHz(max).
The value of the internal registers is initialized at PDN pin = “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 “01”)
READ/WRITE (Fixed to “1”, Write only)
Register Address
Control Data
Figure 38. 3-wire Serial Control I/F Timing
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