Datasheet

16 SERDESUB-21USB User’s Guide SNLU101 – April 2012
Deserializer Bidirectional Control Bus (SCL, SDA) - I
2
C Compliant
Reference Description Settings Connector
J6
I
2
C Port
Pinout:
1 – VDD_I2C
2 – SCL
3 – SDA
4 – VSS
JP5
I
2
C Input
Port
Closed:
VDD_I2C power is
applied through the
VDDIO source with
onboard 1.0Kohm
pull up resistors
(Default)
Open:
VDD_I2C power is
applied externally
Note: when
connecting the bus
externally, the
target source must
have external pull
up resistor.