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| 型號(hào)： | AK4371VN |
| 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(yè)數(shù)： | 44/62頁(yè) |
| 文件大?。?/td> | 842K |
| 代理商： | AK4371VN |
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[AK4371]
MS0596-E-00
2007/04
- 44 -
■
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. CSN should be set to “H” once after 16
CCLKs for each address. 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 35. 3-wire Serial Control I/F Timing
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| AK4372 | 制造商:AKM 制造商全稱:AKM 功能描述:DAC with built-in PLL & HP-AMP |
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