Kontron SMARC Evaluation Carrier - Manual (Page 62)

User’s Guide
62 www.kontron.com
Device I2C Address Output Function Pulled
Hi / Low
U33
TI
TCA9554
0x24
(7 bit)
0x48/ 0x49
(8 bit)
P0 I2S0_SEL
High: I2S0 to 2
nd
bus (I2S0A)
Low: I2S0 to Audio CODEC
Low
P1 I2S1_SEL
High: I2S1 loopback
Low: I2S1 to I/O Mezzanine
Low
P2 I2S2_SEL
High: I2S1 loopback
Low: I2S1 to I/O Mezzanine
Low
P3 I2S0A_SEL
High: I2S0A loopback
Low: I2S0A to I/O Mezzanine
Low
P4 BKLT_REF_SEL
High: I2C LED BKLT control
Low: PWM LED BKLT control
Low
P5 PORTRAIT_MODE
High: PORTRAIT_MODE on
Low: PORTRAIT_MODE off
Low
P6 SER0_1_XCVR_EN
High: SER0_1 XCVR Enabled
Low : SER0_1_XCVR Disabled
High
P7 SER2_3_XCVR_EN
High: SER2_3 XCVR Enabled
Low : SER2_3_XCVR Disabled
High