User's Manual l TQMxE39S UM 0101 l © 2019 TQ-Group
Page 15
3.7.2
SMARC Connector Pin Assignment
Table 10:
SMARC Connector Pin Assignment
Pin
Pin-Signal
Description
Type
Level
Remark
P1 SMB_ALERT_1V8#
SM Bus Alert# (interrupt) signal
I PU
1.8 V
P2 GND
Ground
GND
P3
CSI differential clock inputs
I
LVDS D-PHY
P4 CSI1_CK–
CSI differential clock inputs
I
LVDS D-PHY
P5 GBE1_SDP
IEEE 1588 Trigger Signal
IO
3.3 V
N/A
P6 GBE0_SDP
IEEE 1588 Trigger Signal
IO
3.3 V
P7 C
CSI differential data inputs
I
LVDS D-PHY
P8 CSI1_RX0–
CSI differential data inputs
I
LVDS D-PHY
P9 GND
Ground
GND
P10 C
CSI differential data inputs
I
LVDS D-PHY
P11 CSI1_RX1–
CSI differential data inputs
I
LVDS D-PHY
P12 GND
Ground
GND
P13 C
CSI differential data inputs
I
LVDS D-PHY
P14 CSI1_RX2–
CSI differential data inputs
I
LVDS D-PHY
P15 GND
Ground
GND
P16 C
CSI differential data inputs
I
LVDS D-PHY
P17 CSI1_RX3–
CSI differential data inputs
I
LVDS D-PHY
P18 GND
Ground
GND
P19 GBE0_MDI3–
Gigabit Ethernet Controller: Media Dependent Interface
IO
GBE MDI
P20 GB
Gigabit Ethernet Controller: Media Dependent Interface
IO
GBE MDI
P21 GBE0_LINK100#
Link Speed Indication LED for 100 Mbps
OD
3.3 V tolerant
P22 GBE0_LINK1000#
Link Speed Indication LED for 1000 Mbps
OD
3.3 V tolerant
P23 GBE0_MDI2–
Gigabit Ethernet Controller: Media Dependent Interface
IO
GBE MDI
P24 GB
Gigabit Ethernet Controller: Media Dependent Interface
IO
GBE MDI
P25 GBE0_LINK_ACT#
Link / Activity Indication LED
OD
3.3 V tolerant
P26 GBE0_MDI1–
Gigabit Ethernet Controller: Media Dependent Interface
IO
GBE MDI
P27 GB
Gigabit Ethernet Controller: Media Dependent Interface
IO
GBE MDI
P28 GBE0_CTREF
Center-Tap reference voltage for Carrier Ethernet magnetics
PWR
P29 GBE0_MDI0–
Gigabit Ethernet Controller: Media Dependent Interface
IO
GBE MDI
P30 GB
Gigabit Ethernet Controller: Media Dependent Interface
IO
GBE MDI
P31 SPI0_CS1#
SPI0 Master Chip Select 1 output
O
1.8 V
P32 GND
Ground
GND
P33 SDIO_WP
SD Card: Write Protect
I
3.3 V
P34 SDIO_CMD
SD Card: Command line
IO
3.3 V
P35 SDIO_CD#
SD Card: Card Detect
I
3.3 V
P36 SDIO_CK
SD Card: Clock
O
3.3 V
P37 SDIO_PWR_EN
SD Card: Power enable
O (PU) 3.3 V
PU to 3.3 V
P38 GND
Ground
GND
P39 SDIO_D0
SD Card: data path
IO
3.3 V
P40 SDIO_D1
SD Card: data path
IO
3.3 V
P41 SDIO_D2
SD Card: data path
IO
3.3 V
P42 SDIO_D3
SD Card: data path
IO
3.3 V
P43 SPI0_CS0#
SPI0 Master Chip Select 0 output
O
1.8 V
P44 SPI0_CK
SPI0 Master Clock output
O
1.8 V
P45 SPI0_DIN
SPI0 Master Data input (CPU input, SPI device output)
I
1.8 V
P46 SPI0_DO
SPI0 Master Data output (CPU output, SPI device input)
O
1.8 V
P47 GND
Ground
GND
P48
Differential SATA transmit data Pair
O
SATA
P49 SATA_TX–
Differential SATA transmit data Pair
O
SATA
P50 GND
Ground
GND
P51
Differential SATA receive data Pair
I
SATA
P52 SATA_RX–
Differential SATA receive data Pair
I
SATA
