參數(shù)資料
型號: AK4640
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 16BIT CODEC WITH MIC /HP/SPK-AMPl
中文描述: 16位編解碼器麥克風/惠普/胰腎聯(lián)合移植,AMPl
文件頁數(shù): 41/76頁
文件大?。?/td> 634K
代理商: AK4640
ASAHI KASEI
[AK4640]
MS0273-E-00
2004/03
- 41 -
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 30. Serial Control I/F Timing
相關(guān)PDF資料
PDF描述
AK4640VG 16BIT CODEC WITH MIC /HP/SPK-AMPl
AK4640VN 16BIT CODEC WITH MIC /HP/SPK-AMPl
AK4642EN Stereo CODEC with MIC/HP/SPK-AMP
AK4643EN Stereo CODEC with MIC/HP/RCV/SPK-AMP
AK4645EZ Stereo CODEC with MIC/HP-AMP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AK4640_05 制造商:AKM 制造商全稱:AKM 功能描述:16-Bit ツヒ CODEC with MIC/HP/SPK-AMP
AK4640VG 制造商:AKM 制造商全稱:AKM 功能描述:16BIT CODEC WITH MIC /HP/SPK-AMPl
AK4640VN 制造商:AKM 制造商全稱:AKM 功能描述:16BIT CODEC WITH MIC /HP/SPK-AMPl
AK4641 制造商:AKM 制造商全稱:AKM 功能描述:16 BIT CODEC WITH BLUETOOTH INTERFACE
AK4641EN 制造商:AKM 制造商全稱:AKM 功能描述:16bit stereo CODEC with built-in Microphone-amplifier and 16bit Mono CODEC for Bluetooth Interface.