I²C Bus - Avnet SMARC MSC SM2S-IMX8MINI User Manual

Pin
Signal Signal Level
Type
SER0_TX O 1.8V CMOS
SER0_RX I 1.8V CMOS
SER0_RTS# O 1.8V CMOS
SER0_CTS# I 1.8V CMOS
SER1_TX O 1.8V CMOS
SER1_RX I 1.8V CMOS
SER2_TX O 1.8V CMOS
SER2_RX I 1.8V CMOS
SER2_RTS# O 1.8V CMOS
SER2_CTS# I 1.8V CMOS
SER3_TX O 1.8V CMOS
SER3_RX I 1.8V CMOS
Note 1: By default, SER0_RX/TX carries the Debug console output of U-Boot and Linux, typically at 115200Bd/8N1. The same serial signals (level-
shifted to 3.3 V) also connect to the on-board Serial Debug connector, see also chapter 5.7. So for access to the serial Console of U-Boot / Linux,
either one connection can be used as appropriate.
4.12 I²C Bus
I2C_GP on the SMARC™ connector is also linked to an on-module EEPROM at address 0x50.
For further I²C bus signals see also Camera, LCD/LVDS and System Management interfaces.
MSC SM2S-IMX8MINI
User Manual
Table 16: UART Signal Description
Pin on Pin name on
i.MX8M Mini i.MX8M Mini
F13 UART1_TXD
E14 UART1_RXD
AC24 SAI2_TXFS
AD23 SAI2_RXD0
D18 UART3_TXD
E18 UART3_RXD
AG6 SAI3_TXC
AC6 SAI3_TXFS
AF7 SAI3_RXD
AG7 SAI3_RXC
F18 UART4_TXD
F19 UART4_RXD
Power
Toleranc PU/PD Description
e
1.8V PU 10k 1.8V UART transmit data (see Note 1 below)
1.8V PU 10k 1.8V UART receive data (see Note 1 below)
1.8V PU 10k 1.8V UART handshake, ready to receive data
1.8V PU 10k 1.8V UART handshake, ready to send data
1.8V PU 10k 1.8V UART transmit data
1.8V PU 10k 1.8V UART receive data
1.8V PU 10k 1.8V UART transmit data
1.8V PU 10k 1.8V UART receive data
1.8V PU 10k 1.8V UART handshake, ready to receive data
1.8V PU 10k 1.8V UART handshake, ready to send data
1.8V PU 10k 1.8V UART transmit data
1.8V PU 10k 1.8V UART receive data
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