參數(shù)資料
型號(hào): AK4642EN
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: Stereo CODEC with MIC/HP/SPK-AMP
中文描述: 立體聲編解碼器麥克風(fēng)/惠普/胰腎聯(lián)合移植腺苷
文件頁(yè)數(shù): 52/83頁(yè)
文件大?。?/td> 670K
代理商: AK4642EN
ASAHI KASEI
[AK4642EN]
MS0420-E-00
2005/09
- 52 -
Serial Control Interface
(1) 3-wire Serial Control Mode (I2C pin = “L”)
Internal registers may be written by using the 3-wire μP interface pins (CSN, CCLK and CDTI). The data on this interface
consists of a 2-bit Chip address (Fixed to “10”), Read/Write (Fixed to “1”), Register address (MSB first, 5bits) and
Control data (MSB first, 8bits). Each bit is clocked in on the rising edge (“
”) of CCLK. Address and data are latched on
the 16th CCLK rising edge (“
”) after CSN falling edge(“
”). Clock speed of CCLK is 5MHz (max). The value of
internal registers are initialized by PDN pin = “L”.
CSN
CCLK
0
1
2
3
4
5
6
7
8
9
10
11 12
13 14 15
CDTI
C1 C0
“1”
A2
A3
A2 A0
A4
D7 D6 D5 D4 D3 D2 D1 D0
R/W
“1”
C1-C0: Chip Address (C1 = “1”, C0 = “0”); Fixed to “10”
R/W:
READ/WRITE (“1”: WRITE, “0”: READ); Fixed to “1”
A4-A0:
Register Address
D7-D0: Control data
“0”
Figure 35. Serial Control I/F Timing
相關(guān)PDF資料
PDF描述
AK4643EN Stereo CODEC with MIC/HP/RCV/SPK-AMP
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AK4645 Stereo CODEC with MIC/HP-AMP
AK4646EZ Stereo CODEC with MIC/SPK-AMP
AK4646 Stereo CODEC with MIC/SPK-AMP
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AK4644EN 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/HP/RCV-AMP