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Hardware
21
SPRUIB9 – December 2016
Copyright © 2016, Texas Instruments Incorporated
DRA72x EVM CPU Board User's Guide
Table 17. I/O Expander Map (continued)
Device
Slave Address
I2C I/F
Expander
IO
Netname
Description
EXP3
0b0010 010
(0x26)
I2C5
P0
PM_OEn
Enable to connect PM Bus with I2C3
P1
VIN6_SEL_S0
MUX out control signal for VIN6A and McASPx
P2
VIN2_S0
MUX out control signal for EMAC1 & VIN2A
Signals
P3
PM_SEL
Selection to connect I2C3 to either PM bus 1 or
2
P4
HDMI_CT_HPD
HDMI Hot Plug Detect
P5
HDMI_LS_OE
HDMI Level Shifter Enable
P6
VIN2_S2
MUX out control signal for VIN2A vs expansion
signals
P7
Open
P10
SEL_CSI2n
MUX out control signal for CSI2 configuration
P11
EXVIN2_S0
MUX out control signal for EMAC1 vs VIN2A vs
expansion signals
P12
EXVIN2_S2
MUX out control signal for EMAC1 vs VIN2A vs
expansion signals
P13
MMC3_SEL
MUX out control signal for MMC3 vs VIN2B
P14
MMC2_BOOT_OVR_OEN
MMC2 DIP Switch Override Enable
P15
MMC2_BOOT_OVR
MMC2 DIP Switch Override
P16
NOR_BOOT_OVR_OEN
NOR BOOT DIP Switch Override Enable
P17
NOR_BOOT_OVR
NOR BOOT DIP Switch Override