參數(shù)資料
型號: ADAU1701
廠商: Analog Devices, Inc.
英文描述: SigmaDSP 28/56-Bit Audio Processor with 2ADC/4DAC
中文描述: SigmaDSP的28/56-Bit音頻處理器2ADC/4DAC
文件頁數(shù): 22/43頁
文件大?。?/td> 625K
代理商: ADAU1701
ADAU1701
Preliminary Technical Data
S
Rev. PrF | Page 22 of 43
Chip Address,
R/W = 0
AS
Subaddress High
AS
Subaddress Low
AS
Data Byte 1
AS
Data Byte 2
AS
Data Byte N
P
Figure 24. Single-Word I
2
C Write Format
S
Chip Address,
R/W = 0
AS
Subaddres
s High
AS
Subaddres
s Low
AS
Data
Word 1,
Byte 1
AS
Data
Word 1,
Byte 2
AS
Data
Word 2,
Byte 1
AS
Data
Word 2,
Byte 2
AS
… P
Figure 25. Burst Mode I
2
C Write Format
S
Chip
Address,
R/W = 0
AS
Subaddress
High
AS
Subaddress
Low
AS
S
Chip
Address,
R/W = 1
AS
Data
Byte 1
AM
Data
Byte 2
AM
Data
Byte N
P
Figure 26. Single Word I
2
C Read Format
S
Chip
Address, R/W
= 0
AS
Subaddress
High
AS
Subaddress
Low
AS
S
Chip
Address,
R/W = 1
AS
Data
Word 1,
Byte 1
AM
Data
Word 1,
Byte 2
AM
P
Figure 27. Burst Mode I
2
C Read Format
S - Start Bit
P - Stop Bit
AM - Acknowledge by Master
AS - Acknowledge by Slave
CLATCH
CCLK
CDATA
BYTE 0
BYTE 1
BYTE 2
BYTE 3
0
Figure 28. SPI Write Clocking (Single-Write Mode)
0
CLATCH
CCLK
CDATA
COUT
BYTE 0
BYTE 1
HI-Z
DATA
DATA
DATA
HI-Z
Figure 29. SPI Read Clocking (Single-Read Mode)
Table 18. Control Port/Selfboot Pin Functions
Pin
SCL/CCLK
SDA/COUT
ADDR1/CDATA/WB
CLATCH/WP
ADDR0
I
2
C Mode
SCL - input
SDA – open collector output
ADDR1 - input
Unused input – tie to ground or VDD
ADDR0 - input
SPI Mode
CCLK - input
COUT – output
CDATA - input
CLATCH - input
ADDR0 - input
Selfboot
SCL - output
SDA – open collector output
Writeback trigger
EEPROM Write Protect - open collector output
unused input – tie to ground or VDD
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