ZCU104 Board User Guide
51
UG1267 (v1.1) October 9, 2018
Chapter 3:
Board Component Descriptions
and
show U34 and U97 (located on the bottom of the board)
connections, respectively.
Table 3-16:
I2C1 TCA9548A U34 Multiplexer Connections
U34 I2C1 Mux
(Addr 0x74) Port
I2C1 Bus Device
Target Device Address
0
EEPROM U23
0X34
1
IDT8T49N287 Clock U182
0X7C
2
IRP5401 PMICs
PMIC1
0x13
; PMIC2
0x14
3
VCC12 INA226 U183
0X40
4
No connection
NA
5
FMC LPC J5
0x##
6
No connection
NA
7
DDR4 SODIMM J1
0x51
Table 3-17:
TCA6416A U97 I2C Expander
U97 I2C1 Expander
(Addr 0x20) Port
Schematic Net Name
Target Device Pin
P00
IRP5401_ALERT_B
U179.17
P01
HDMI_8T49N241_INT_ALM
U181.29
P02
MAX6643_OT_B
U128.9
P03
MAX6643_FANFAIL_B
U128.4
P04
VCC12_INA226_ALERT
U183.3
P05
IIC_MUX_RESET_B
U34.3
P06
GEM3_EXP_RESET_B
U169.2
P07
FMC_LPC_PRSNT_M2C_B
J5.H2