REL0.1
Page 48 of 58
i.MX8 SMARC SOM Hardware User Guide
iWave Systems Technologies Pvt. Ltd.
2.11
i.MX8M Pin Multiplexing on Expansion Connector
The below table provides the details of i.MX8M Processor pin connections to the Expansion connector with selected pin function highlighted and available
alternate functions. This table has been prepared by referring NXP’s
i.MX8M
Hardware User’s Manual.
Table 9: i.MX8M
Pin Multiplexing on
Expansion Connector interfaces
Interface/
Function
Expan.
Conn.
Pin
Number
i.MX8M
CPU
Pin
Number
Function 0
Function 1
Function 2
Function 3
Function 4
Function 5
GPIO
Default
State
SAI
49
L1
sai1.RX_SYNC
sai5.RX_SYNC
coresight.TRACE_CLK gpio4.IO[0]
gpio4.IO[0]
LVDS1_CH0_CLK_N
55
K1
sai1.RX_BCLK
sai5.RX_BCLK
coresight.TRACE_CTL gpio4.IO[1]
gpio4.IO[1]
LVDS1_CH0_CLK_P
35
K2
sai1.RX_DATA[0] sai5.RX_DATA[0]
coresight.TRACE[0]
gpio4.IO[2]
gpio4.IO[2]
LVDS1_CH0_TX0_N
37
L2
sai1.RX_DATA[1] sai5.RX_DATA[1]
coresight.TRACE[1]
gpio4.IO[3]
gpio4.IO[3]
LVDS1_CH0_TX0_P
39
H2
sai1.RX_DATA[2] sai5.RX_DATA[2]
coresight.TRACE[2]
gpio4.IO[4]
gpio4.IO[4]
LVDS1_CH0_TX1_N
47
J2
sai1.RX_DATA[3] sai5.RX_DATA[3]
coresight.TRACE[3]
gpio4.IO[5]
gpio4.IO[5]
LVDS1_CH0_TX1_P
43
J1
sai1.RX_DATA[4] sai6.TX_BCLK
sai6.RX_BCLK
coresight.TRACE[4]
gpio4.IO[6]
gpio4.IO[6]
LVDS1_CH0_TX2_N
41
F1
sai1.RX_DATA[5] sai6.TX_DATA[0] sai6.RX_DATA[0] sai1.RX_SYNC
coresight.TRACE[5]
gpio4.IO[7]
gpio4.IO[7]
LVDS1_CH0_TX2_P
53
G2
sai1.RX_DATA[6] sai6.TX_SYNC
sai6.RX_SYNC
coresight.TRACE[6]
gpio4.IO[8]
gpio4.IO[8]
LVDS1_CH0_TX3_N
45
G1
sai1.RX_DATA[7] sai6.MCLK
sai1.TX_SYNC
sai1.TX_DATA[4] coresight.TRACE[7]
gpio4.IO[9]
gpio4.IO[9]
LVDS1_CH0_TX3_P
19
H1
sai1.TX_SYNC
sai5.TX_SYNC
coresight.EVENTO
gpio4.IO[10] gpio4.IO[10] LVDS1_CH1_CLK_N
21
E1
sai1.TX_BCLK
sai5.TX_BCLK
coresight.EVENTI
gpio4.IO[11] gpio4.IO[11] LVDS1_CH1_CLK_P
1
F2
sai1.TX_DATA[0]
sai5.TX_DATA[0]
coresight.TRACE[8]
gpio4.IO[12] gpio4.IO[12] LVDS1_CH1_TX0_N
15
E2
sai1.TX_DATA[1]
sai5.TX_DATA[1]
coresight.TRACE[9]
gpio4.IO[13] gpio4.IO[13] LVDS1_CH1_TX0_P
5
B2
sai1.TX_DATA[2]
sai5.TX_DATA[2]
coresight.TRACE[10]
gpio4.IO[14] gpio4.IO[14] LVDS1_CH1_TX1_N
7
D1
sai1.TX_DATA[3]
sai5.TX_DATA[3]
coresight.TRACE[11]
gpio4.IO[15] gpio4.IO[15] LVDS1_CH1_TX1_P
9
D2
sai1.TX_DATA[4]
sai6.RX_BCLK
sai6.TX_BCLK
coresight.TRACE[12]
gpio4.IO[16] gpio4.IO[16] LVDS1_CH1_TX2_N
11
C2
sai1.TX_DATA[5]
sai6.RX_DATA[0] sai6.TX_DATA[0]
coresight.TRACE[13]
gpio4.IO[17] gpio4.IO[17] LVDS1_CH1_TX2_P
3
B3
sai1.TX_DATA[6]
sai6.RX_SYNC
sai6.TX_SYNC
coresight.TRACE[14]
gpio4.IO[18] gpio4.IO[18] LVDS1_CH1_TX3_N
13
C1
sai1.TX_DATA[7]
sai6.MCLK
coresight.TRACE[15]
gpio4.IO[19] gpio4.IO[19] LVDS1_CH1_TX3_P
MIPI CSI0
80
BE25
MIPI_CSI1_D2_P
MIPI_CSI1_D2_P
82
BF24
MIPI_CSI1_D2_N
MIPI_CSI1_D2_N
86
BE17
MIPI_CSI1_D3_P
MIPI_CSI1_D3_P
88
BF16
MIPI_CSI1_D3_N
MIPI_CSI1_D3_N