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3.2.2 Multiplexed signals
As stated more times in the previous paragraphs, most of the signals available on the Qseven® Card Edge Connector can be reprogrammed to implement
different functionalities, according to the i.MX6 pin-multiplexing possibilities.
For this reason, in the following table is shown a complete list of all the multiplexing possibilities offered by this module.
The signals are grouped in logical ports, where each logical port represents one of the standard functionalities (if applicable) of the Qseven modules. Please be
aware that sometimes the multiplexing can lead to conflicts (i.e., the same functionality is available on 2 or more logical ports). This situation is evidenced in the last
column of the following table.
When the i.MX6 Signal is marked in bold italic (like
processor.
Port
MXM
MXM Pin Name
#
Pin
191
SERIRQ/GPIO6
1
192
LPC_LDRQ#/GPIO7
17
WAKE#
22
LID_BTN#
2
27
BATLOW#
64
SMB_ALERT#
19
SUS_STAT#
21
SLP_BTN#
3
44
SDIO_LED
56
USB_DRIVE_VBUS
8
GBE_LINK1000#
33
SATA_ACT#
61
HDA_RST#/AC97_RST#/I2S_RST#
4
70
WDTRIG#
125
GP2_I2C_DAT/LVDS_DID_DAT
195
FAN_TACHOIN/GP_TIMER_IN
μQ7-A75-J
μQ7-A75-J User Manual - Rev. First Edition: 1.0 - Last Edition: 1.0 - Author: S.B. - Reviewed by P.Z. - Copyright © 2016 SECO S.r.l.
), it means that the standard function is managed through SECO BSP, it is not native of the i.MX6
WAKE#
®
Qseven
i.MX6 Signal
i.MX6 Pad
function
for standard
name
group
function
NANDF_CS1
GPIO6_IO14
GPIO
NANDF_CS2
GPIO6_IO15
CSI0_DAT13
WAKE#
CSI0_DAT17
---
Power
Management
CSI0_DAT16
---
CSI0_DAT12
---
CSI0_DAT14
---
CSI0_DAT15
SLP_BTN#
Power
Management
CSI0_DAT18
---
CSI0_DAT19
---
SD2_CLK
---
SD2_DAT1
---
AUD_RST#
SD2_CMD
Various
SD2_DAT2
WDT_TRIG_OUT
SD2_DAT3
---
SD2_DAT0
---
i.MX6 Alternative Signal
UART4_RX_DATA
UART4_CTS_B
UART4_RTS_B
UART4_TX_DATA
UART5_TX_DATA
UART5_RX_DATA
UART5_RTS_B
UART5_CTS_B
SD2_CLK
SD2_DATA1
AUD4_TXFS
SD2_CMD
SD2_DATA2
AUD4_TXD
SD2_DATA3
AUD4_TXC
SD2_DATA0
AUD4_RXD
Also
used in
Port #
GPIO5_IO31
GPIO6_IO03
GPIO6_IO02
GPIO5_IO30
GPIO6_IO00
GPIO6_IO01
GPIO6_IO04
GPIO6_IO05
GPIO1_IO10
GPIO1_IO14
25
GPIO1_IO11
7
GPIO1_IO13
26
GPIO1_IO12
GPIO1_IO15
32
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