REL0.2
Page 93 of 110
Zynq-Ult MPSoC (ZU11/17/19EG) SOM Development Platform Hardware User Guide
iWave Systems Technologies Pvt. Ltd.
Table 21 IO EXPANDER 2 Output
Pin
No
Pin Name
Signal Name
Signal Type /
Termination
Description
IO EXPANDER 2 (TCA6416APWR)- I2C address: 0x21
4
P00
IOEXP_P00_Q_MODESEL
O, 3.3V CMOS/
4.7K PD
Connected to QSFP28 Connector
5
P01
IOEXP_P01_Q_RESETL
O, 3.3V CMOS/
4.7K PU
Connected to QSFP28 Connector
6
P02
IOEXP_P02_Q_LPMODE
O, 3.3V CMOS/
4.7K PD
Connected to QSFP28 Connector
7
P03
IOEXP_P03_Q_INTL
I, 3.3V CMOS/
4.7K PU
Connected to QSFP28 Connector
8
P04
IOEXP_P04_Q_MODPRSL
I, 3.3V CMOS/
4.7K PU
Connected to QSFP28 Connector
9
P05
IOEXP_P05_F_RESETL
O, 3.3V CMOS/
4.7K PU
Connected to FireFly Power Connector
10
P06
IOEXP_P06_F_MODSEL
O, 3.3V CMOS/
4.7K PU
Connected to FireFly Power Connector
11
P07
IOEXP_P07_F_INTL
I, 3.3V CMOS/
4.7K PU
Connected to FireFly Power Connector
13
P10
IOEXP_P10_F_MODPRS
I, 3.3V CMOS/
4.7K PU
Connected to FireFly Power Connector
14
P11
IOEXP_P11_HDMI_TX_OE
O, 3.3V CMOS
Connected to IO HDMI OUT
15
P12
IOEXP_HDMI_RX_CEC_SINK
I, 3.3V CMOS
Connected to IO HDMI OUT
16
P13
NC
NC
NC.
17
P14
B_M2_PCI_RST#
O, 3.3V CMOS/
4.7K PU
Connected to M.2 PCIe Connector
18
P15
B_M2_PCI_WAK#
I, 3.3V CMOS/
4.7K PU
Connected to M.2 PCIe Connector
19
P16
B_PCI_CLKREQ#
I, 3.3V CMOS/
4.7K PU
Connected to PCIex 4 Connector
20
P17
NC
NC
NC.