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Demo Board Connections
14
SNLU177 – July 2016
Copyright © 2016, Texas Instruments Incorporated
DS90UB96X-Q1EVM User's Guide
Table 1-8. IDx I
2
C Device Address Select - J34
Reference
Signal
Description
J34
IDX
Selects I
2
C Device Address
Open: 0x30 (7'b) or 0x60 (8'b)
Short: 0x3D (7'b) or 0x7A (8'b)
(Default)
Table 1-9. Primary I
2
C Interface Header - J4
Reference
Signal
Description
J4.1
VDD_I2C
External I
2
C bus voltage
J4.2
I2C_SCL
I
2
C Clock Interface for primary I
2
C bus
J4.3
I2C_SDA
I
2
C Data Interface for primary I
2
C bus
J4.4
GND
Ground
Table 1-10. Secondary I
2
C Interface Header - J5
Reference
Signal
Description
J5.1
VDD_I2C
External I
2
C bus voltage
J5.2
I2C_SCL2
I
2
C Clock Interface for secondary I
2
C bus
J5.3
I2C_SDA2
I
2
C Data Interface for secondary I
2
C bus
J5.4
GND
Ground
Table 1-11. I
2
C VDDIO Interface Header - J30
Reference
Signal
Description
J30
VDD_I2C
Selects I
2
C IO bus voltage
Short pins 1-2: 3.3V IO
(Default)
Short pins 2-3: 1.8V IO
1.8.6 Control Interface
Table 1-12. VDDIO Interface Header - J1
Reference
Signal
Description
J1
VDDIO
Selects VDDIO bus voltage
Short pins 1-2: 3.3V IO
(Default)
Short pins 2-3: 1.8V IO
Table 1-13. GPIO Interface Header - J2
Reference
Signal
Description
J2.2
GPIO0
General Purpose Input/Output 0
J2.4
GPIO1
General Purpose Input/Output 1
J2.6
GPIO2
General Purpose Input/Output 2
J2.8
GPIO3
General Purpose Input/Output 3
J2.10
GPIO4
General Purpose Input/Output 4
J2.12
GPIO5
General Purpose Input/Output 5
J2.14
GPIO6
General Purpose Input/Output 6
J2.16
GPIO7
General Purpose Input/Output 7