ADLINK Technology LEC-BTS Technical Reference page 25

Table 3-2: SMARC P-S Connector (GF1) Signal Descriptions (Continued)
Pin # Primary (Top Side)
P117 GPIO9 (General Purpose IO)
P118 GPIO10 (General Purpose IO)
P119 GPIO11 (General Purpose IO)
P120 GND
P121 I2C_PM_CK (Power management I2C
bus clock)
P122 I2C_PM_DAT(Power management I2C
bus data)
P123 BOOT_SEL0# (Input straps determine the
Module boot device. Pulled up on Module.
Driven by OD part on Carrier.)
P124 BOOT_SEL1# (Input straps determine the
Module boot device. Pulled up on Module.
Driven by OD part on Carrier.)
P125 BOOT_SEL2# (Input straps determine the
Module boot device. Pulled up on Module.
Driven by OD part on Carrier.)
P126 RESET_OUT# (General purpose reset
output to Carrier board.)
P127 RESET_IN# (Reset input from Carrier
board. Carrier drives low to force a
Module reset, floats the line otherwise.
Pulled up on Module. Driven by OD part
on Carrier.)
P128 POWER_BTN# (Power-button input from
Carrier board. Carrier to float the line in
inactive state. Active low, level sensitive.
De-bounced on the Module Pulled up on
Module. Driven by OD part on Carrier.)
P129 SER0_TX (Asynchronous serial port data
out)
P130 SER0_RX (Asynchronous serial port data
in)
P131 SER0_RTS# (Request to Send
handshake line for SER0)
P132 SER0_CTS# (Clear to Send handshake
line for SER0)
P133 GND
P134 SER1_TX (Asynchronous serial port data
out)
P135 SER1_RX (Asynchronous serial port data
in)
P136 SER2_TX (Asynchronous serial port data
out)
P137 SER2_RX (Asynchronous serial port data
in)
P138 SER2_RTS# (Request to Send
handshake line for SER2)
P139 SER2_CTS# (Clear to Send handshake
line for SER2)
Interfaces
Pin # Secondary (Bottom Side)
S118 Not connected
S119 GND
S120 Not connected
P121 Not connected
S122 Not connected
S123 Not connected
S124 GND
S125 LVDS0+ (LVDS LCD data channel
differential pair)
S126 LVDS0- (LVDS LCD data channel differential
pair)
S127 LCD_BKLT_EN (High enables panel
backlight)
S128 LVDS1+ (LVDS LCD data channel
differential pair)
S129 LVDS1- (LVDS LCD data channel differential
pair)
S130 GND
S131 LVDS2+ (LVDS LCD data channel
differential pair)
S132 LVDS2- (LVDS LCD data channel differential
pair)
S133 LCD_VDD_EN (High enables panel VDD)
S134 LVDS_CK+ (LVDS LCD differential clock
pair)
S135 LVDS_CK- (LVDS LCD differential clock
pair)
S136 GND
S137 LVDS3+ (LVDS LCD data channel
differential pair)
S138 LVDS3- (LVDS LCD data channel differential
pair)
S139 I2C_LCD_CK (I2C clock – to read LCD
display EDID EEPROMs)
S140 I2C_LCD_DAT (I2C data – to read LCD
display EDID EEPROMs)
LEC-BTS
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