參數(shù)資料
型號: AK4367VN
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: Low Power 24-Bit 2ch DAC with HP-AMP & Output Mixer
中文描述: 低功耗24位2通道DAC,具有惠普腺苷
文件頁數(shù): 25/38頁
文件大?。?/td> 455K
代理商: AK4367VN
ASAHI KASEI
[AK4367]
MS0247-E-02
2005/10
- 25 -
Serial Control Interface
(1) 3-wire Serial Control Mode (I2C pin = “L”)
Internal registers may be written via to the 3 wire μP interface pins (CSN, CCLK and CDTI). The data on this interface
consists of Chip address (2bits, Fixed to “01”), 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 16th CCLK. The clock speed of CCLK is 5MHz(max). The
value of 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 21. 3-wire Serial Control I/F Timing
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