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參數(shù)資料
| 型號： | AK4683EQ |
| 廠商： | ASAHI KASEI POWER DEVICES CORP |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | Asynchronous Multi-Channel Audio CODEC with DIR/T |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | 0.50 MM PITCH, LEAD FREE, PLASTIC, LQFP-64 |
| 文件頁數(shù)： | 60/84頁 |
| 文件大小： | 1077K |
| 代理商： | AK4683EQ |
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[AK4683]
MS0427-E-02
2007/04
- 60 -
OPERATION OVERVIEW (ADC/DAC part, DIR/DIT part)
■
Serial Control Interface
The AK4683 has two registers, which are ADC/DAC part and DIR/DIT part. Each register is set by chip address pin.
(1). 4-wire serial control mode (I2C pin = “L”)
The internal registers may be either written or read by the 4-wire
μ
P interface pins: CSN, CCLK, CDTI & CDTO. The
data on this interface consists of Chip address (2bits, C1-C0= “,10” for ADC/DAC part, “00” for DIR/DIT part),
Read/Write (1bit), Register address (MSB first, 5bits) and Control data (MSB first, 8bits). Address and data is clocked
in on the rising edge of CCLK and data is clocked out on the falling edge. For write operations, data is latched after the
16th rising edge of CCLK, after a high-to-low transition of CSN. For read operations, the CDTO output goes high
impedance after a low-to-high transition of CSN. The maximum speed of CCLK is 5MHz. PDN pin = “L” resets the
registers to their default values. When the state of P/S pin is changed, the AK4683 should be reset by PDN pin = “L”.
Register of ADC/DAC part can not read.
CSN
CDTI
CCLK
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
CDTO
Hi-Z
WRITE
CDTI
C1
D4
D5
D6
D7
A1
A2
A3
A4
R/W
C0
A0
D0
D1
D2
D3
CDTO
Hi-Z
READ
D4
D5
D6
D7
D0
D1
D2
D3
Hi-Z
C1-C0:
R/W:
A4-A0:
D7-D0:
Chip Address: (Fixed to “10” for ADC/DAC part, “00” for DIR/DIT part)
READ/WRITE (0:READ, 1:WRITE)
Register Address
Control Data
Figure 40. 4-wire Serial Control I/F Timing
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AK4683 | Asynchronous Multi-Channel Audio CODEC with DIR/T |
| AK4702EQ | 2ch DAC with AV SCART switch |
| AK4702 | 2CH DAC WITH AV SCART SWITCH |
| AK4703 | AV SCART switch |
| AK4703VQ | AV SCART switch |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AK4683EQP | 制造商:AKM Semiconductor Inc 功能描述:Audio Codec 2ADC / 4DAC 24-Bit 64-Pin LQFP |
| AK4685 | 制造商:AKM 制造商全稱:AKM 功能描述:Multi-channel CODEC with Differential Analog I/O |
| AK4685EQ | 制造商:AKM 制造商全稱:AKM 功能描述:Multi-channel CODEC with Differential Analog I/O |
| AK4686 | 制造商:AKM 制造商全稱:AKM 功能描述:Multi-channel CODEC with Capless Stereo Selector |
| AK4686EQ | 制造商:AKM 制造商全稱:AKM 功能描述:Multi-channel CODEC with Capless Stereo Selector |
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