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SSW-105-22-F-DVS-K Datasheet(PDF) 5 Page - Texas Instruments

Part No. SSW-105-22-F-DVS-K
Description  Contains all support circuitry needed
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Maker  TI1 [Texas Instruments]
Homepage  http://www.ti.com
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SSW-105-22-F-DVS-K Datasheet(HTML) 5 Page - Texas Instruments

 
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Digital Interface
3
Digital Interface
3.1
Serial Data Interface
The ADS7953EVM is designed to easily interface with multiple control platforms. Samtec part numbers
SSW-110-22-F-D-VS-K and TSM-110-01-T-DV-P provide a convenient 10-pin, dual-row, header/socket
combination at P2. This header/socket provides access to the digital control and serial data pins of the
ADC. Consult Samtec at http://www.samtec.com or call 1-800-SAMTEC-9 for a variety of mating
connector options.
Table 4 describes the P2 serial interface pins.
Table 4. Serial Interface Pins
Pin No.
Pin Name
Signal Name
I/O Type
Pullup
Function
P2.1
CNTL
CS
In
None
Controls CS input, Jumper
option with P2.7 via W5
P2.2
GPIO0
GPIO2
In/Out
High
GPIO
P2.3
CLKX
SCLK
In
None
ADS79xx serial clock
P2.4
DGND
DGND
NA
None
Digital Ground
P2.5
CLKR
CLKR
Out
None
serial clock return to DSP
P2.6
GPIO1
GPIO3
In/Out
High
GPIO
P2.7
FSX
FSYNC Xmit
In
None
Controls CS input, Jumper
option with P2.1 via W5
P2.8
GPIO2
Unused
NA
NA
P2.9
FSR
FSYNC rtrn
Out
None
P2.10
DGND
DGND
NA
None
Digital Ground
P2.11
DX
DIN
In
None
ADS79xx SPI data in
P2.12
GPIO3
Unused
NA
NA
P2.13
DR
DOUT
Out
None
ADS79xx data out
P2.14
GPIO4
Unused
NA
NA
P2.15
/INT
GPIO0/GPIO1
Out
None
Hi/Lo Alarm Interrupt options
P2.16
SCL
SCL
I
2C ™
n/a
I
2C clock
P2.17
TOUT
Unused
NA
NA
P2.18
DGND
DGND
NA
None
Digital Ground
P2.19
GPIO5
Unused
NA
NA
P2.20
SDA
SDA
I
2C
n/a
I
2C data
3.2
Data Output
All output data communications are directed through DOUT. The data from all 16 channels can be
observed on the DOUT pin. This is the signal that is used by the ADS7953EVM-PDK to read back and
display all the channel data via the ADCPro software.
5
SLAU262C
– January 2009 – Revised May 2011
ADS79xxEVM and ADS79xxEVM-PDK
Submit Documentation Feedback
Copyright
© 2009–2011, Texas Instruments Incorporated


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