EDM1-IMX6 HARDWARE MANUAL
– VER 1.00 – NOV 14 2019
Page
51
of
80
Table 27 - Secondary UART Signal Description
EDM
PIN
i.MX6
BALL
PAD NAME
Signal
V
I/O
Description
234
B20
SD4_DAT6
UART2_CTS_B
3V3
O
Universal Asynchronous
Receive Transmit secondary
channel clear to send signal
236
D19
SD4_DAT7
UART2_TX_DATA
3V3
O
Universal Asynchronous
Receive Transmit secondary
channel transmit data signal
238
E18
SD4_DAT4
UART2_RX_DATA
3V3
I
Universal Asynchronous
Receive Transmit secondary
channel receive data signal
240
C19
SD4_DAT5
UART2_RTS_B
3V3
O
Universal Asynchronous
Receive Transmit secondary
channel request to send
signal
NOTE: UART3 is not listed in this section. This interface is connected from the i.MX6 processor towards
the WiFi/Bluetooth interface present on EDM1-IMX6 and can be found in the WiFi/Bluetooth section of
this manual.