參數(shù)資料
型號(hào): AK4538
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 16Bit DS CODEC with MIC/HP/SPK-AMP
中文描述: 16位副編解碼器麥克風(fēng)/惠普/胰腎聯(lián)合移植腺苷
文件頁(yè)數(shù): 38/70頁(yè)
文件大?。?/td> 485K
代理商: AK4538
ASAHI KASEI
[AK4538]
MS0198-E-01
2003/5
- 38 -
n
Serial Control Interface
(1) 4-wire Serial Control Mode (I2C pin = “L”)
Internal registers may be written by using the 4-wire μP interface pins (CSN, CCLK, CDTI and CDTO). The data on this
interface consists of a 2-bit Chip address, Read/Write, Register address (MSB first, 5bits) and Control data (MSB first,
8bits). The chip address high bit is fixed to “1” and the lower bit is set by the CAD0 pin. Address and data is clocked in on
the rising edge of CCLK and data is clocked out on the falling edge. After a low-to-high transition of CSN, data is latched
for write operations and CDTO bit outputs Hi-Z. The clock speed of CCLK is 5MHz (max). The value of internal registers
is initialized at PDN pin = “L”.
CSN
CCLK
CDTI
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
C1
C0
R/W
A4
A3
A2
A1
A0
D7
D6
D5
D4
D3
D2
D1
D0
CDTO
Hi-Z
Write
CDTI
C1
C0
R/W
A4
A3
A2
A1
A0
CDTO
Hi-Z
Read
D7
D6
D5
D4
D3
D2
D1
D0
Hi-Z
C1 - C0 : Chip Address (C1="1", C0=CAD0)
R/W : READ / WRITE ("1" : WRITE, "0" : READ)
A4 - A0 : Register Address
D7 - D0 : Control Data
Figure 34. Serial Control I/F Timing
相關(guān)PDF資料
PDF描述
AK4538VN 16Bit DS CODEC with MIC/HP/SPK-AMP
AK4541VQ AC’97 Rev 2.1 Multimedia Audio CODEC
AK4541 AC’97 Rev 2.1 Multimedia Audio CODEC
AK4543 AC’97 Rev 2.1 Multimedia Audio CODEC
AK4543VQ AC’97 Rev 2.1 Multimedia Audio CODEC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AK4538VN 制造商:AKM 制造商全稱:AKM 功能描述:16Bit DS CODEC with MIC/HP/SPK-AMP
AK4541 制造商:AKM 制造商全稱:AKM 功能描述:AC’97 Rev 2.1 Multimedia Audio CODEC
AK4541VQ 制造商:AKM 制造商全稱:AKM 功能描述:AC’97 Rev 2.1 Multimedia Audio CODEC
AK4543 制造商:AKM 制造商全稱:AKM 功能描述:AC’97 Rev 2.1 Multimedia Audio CODEC
AK4543VQ 制造商:AKM 制造商全稱:AKM 功能描述:AC’97 Rev 2.1 Multimedia Audio CODEC