EVAL-ADAU1701EB AD [Analog Devices], EVAL-ADAU1701EB Datasheet - Page 22

• Manufacturer Part Number: EVAL-ADAU1701EB
• Description: SigmaDSP 28/56-Bit Audio Processor with 2ADC/4DAC
• Manufacturer: AD [Analog Devices]

ADAU1701
S
S
S
S
Table 18. Control Port/Selfboot Pin Functions
Pin
SCL/CCLK
SDA/COUT
ADDR1/CDATA/WB
CLATCH/WP
ADDR0
S - Start Bit
P - Stop Bit
AM - Acknowledge by Master
AS - Acknowledge by Slave
Chip Address,
R/W = 0
Chip Address,
R/W = 0
Chip
Address,
R/W = 0
Chip
Address, R/W
= 0
CLATCH
CDATA
CCLK
CLATCH
AS
CDATA
CCLK
COUT
AS
AS
AS
Subaddress
High
Subaddress High
Subaddres
s High
Subaddress
High
I
SCL - input
SDA – open collector output
ADDR1 - input
Unused input – tie to ground or VDD
ADDR0 - input
2
C Mode
BYTE 0
AS
HI-Z
AS
BYTE 0
AS
AS
Subaddres
s Low
Subaddress
Low
Figure 28. SPI Write Clocking (Single-Write Mode)
Figure 29. SPI Read Clocking (Single-Read Mode)
Subaddress
Low
BYTE 1
Subaddress Low
Figure 24. Single-Word I
Figure 26. Single Word I
Figure 25. Burst Mode I
Figure 27. Burst Mode I
AS
Rev. PrF | Page 22 of 43
AS
AS
Data
Word 1,
Byte 1
SPI Mode
CCLK - input
COUT – output
CDATA - input
CLATCH - input
ADDR0 - input
S
DATA
AS
S
Chip
Address,
R/W = 1
2
2
2
2
C Write Format
C Read Format
C Write Format
C Read Format
BYTE 1
Chip
Address,
R/W = 1
Data Byte 1
AS
AS
Data
Word 1,
Byte 2
DATA
Data
Byte 1
AS
Selfboot
SCL - output
SDA – open collector output
Writeback trigger
EEPROM Write Protect - open collector output
unused input – tie to ground or VDD
AS
BYTE 2
Preliminary Technical Data
Data
Word 1,
Byte 1
Data Byte 2
AS
AM
Data
Word 2,
Byte 1
DATA
Data
Byte 2
AM
BYTE 3
…
AS
Data
Word 1,
Byte 2
HI-Z
AS
…
Data
Word 2,
Byte 2
Data Byte N
AM
AM
Data
Byte N
AS
…
P
… P
P
P