Unex VTX-301, Quick Start Manual

Page: 9 / 11

Doc. No: Unex-HDG-20-001
9/11
A printed version of this document is an uncontrolled copy
© 2020 Unex Technology Corporation – Company Confidential
Pin Symbol Type Pull
Drive
Strength
(mA)
Description
Power
Domain
13 BOOT_IO13 I/O PU 4
Bootstrapping: Pull low with 3K Ohm to boot
from NAND. Floating to boot form USB0.
VDD_3.3V
14 RF1_COMP_TX_EN O PU 8 Tx/Rx control for the RF0 cable compensator VDD_3.3V
15 GND G - - Ground -
16 EX_RSTn I PU - Module reset, active LOW. VDD_3.3V
17 GND G - - Ground -
18 AO_GPIO4 I/O PD 2 General Purpose I/O. VDD_3V3_A
19 AO_GPIO0 I/O PD 2 General Purpose I/O. VDD_3V3_A
20 TAMPER I PD - 0=Tampering, 1=Normal operation VDD_3V3_A
21 AO_GPIO2 I/O PD 2 General Purpose I/O. VDD_3V3_A
22 AO_GPIO1 I/O PD 2 General Purpose I/O. VDD_3V3_A
23 AO_GPIO3 I/O PD 2 General Purpose I/O. VDD_3V3_A
24 GND G - - Ground -
25 GNSS_PPS I PU - GNSS PPS input VDD_3.3V
26 UART5_RXD I PU 4
UART Interface,
Receive input for RF1 cable compensator
VDD_3.3V
27 S_GPIO3 I/O PU 4 General Purpose I/O VDD_3.3V
28 UART1_RXD I PU 8
UART Interface, Receive input
(NMEA, 230440bps, 8N1)
VDD_3.3V
29 UART1_TXD O PU 8
UART Interface, Transmit output
(NMEA, 230440bps, 8N1)
VDD_3.3V
30 GND G - - Ground -
31 ETH0_TX_CLK O PU 8 Ethernet MAC Interface, Tx Clock VDD_3.3V
32 GND G - - Ground -
33 ETH0_TX0 O PU 8 Ethernet MAC Interface, Tx Data line 0 VDD_3.3V
34 ETH0_TX1 O PU 8 Ethernet MAC Interface, Tx Data line 1 VDD_3.3V
35 ETH0_TX2 O PU 8 Ethernet MAC Interface, Tx Data line 2 VDD_3.3V
36 ETH0_TX3 O PU 8 Ethernet MAC Interface, Tx Data line 3 VDD_3.3V
37 ETH0_TX_EN O PU 8 Ethernet MAC Interface, Tx Enable VDD_3.3V
38 GND G - - Ground -
39 ETH0_RX_CLK I PU 8 Ethernet MAC Interface, Rx Clock VDD_3.3V
40 GND G - - Ground -
41 ETH0_RX0 I PU 8 Ethernet MAC Interface, Rx Data line 0 VDD_3.3V
42 ETH0_RX1 I PU 8 Ethernet MAC Interface, Rx Data line 1 VDD_3.3V
43 ETH0_RX2 I PU 8 Ethernet MAC Interface, Rx Data line 2 VDD_3.3V
44 ETH0_RX3 I PU 8 Ethernet MAC Interface, Rx Data line 3 VDD_3.3V
45 ETH0_RX_DV I PU 8
Ethernet MAC Interface,
Carrier Sense / Rx Data Valid
VDD_3.3V
46 ETH0_RESETn O PU 4 Ethernet MAC Interface, Reset VDD_3.3V
47 GND G - - Ground -
48 ETH0_MDC O PU 8
Ethernet MAC Interface,
Management interface clock
VDD_3.3V
49 ETH0_MDIO I/O PU 8
Ethernet MAC Interface,
Management interface Input / Output
VDD_3.3V
50 GND G - - Ground -
51 GND G - - Ground -
52 CAN1_RX I PU 4
CAN Interface, Receive input
(CAN FD/CAN2.0B)
VDD_3.3V
53 CAN1_TX O PU 4
CAN Interface, Transmit output
(CAN FD/CAN2.0B)
VDD_3.3V
54 CAN0_RX I - - CAN Interface, Receive input (CAN2.0B) VDD_3.3V
55 CAN0_TX O - - CAN Interface, Transmit output (CAN2.0B) VDD_3.3V