Connectors Description; Com Express Module Connectors - Seco CCHPC-C78-C User Manual

3.3 Connectors description

COM Express module connectors

For the connection of COM HPC® Client CPU modules, on board there are two double connectors, type SAMTEC ASP-209948-01 (400 pin, ultra thin, 0.635mm
pitch, h=10mm), as requested by COM HPC® specifications.
In the following table, signals related to DDI Port #2
USB 3.2 Gen2 2x2 Port#3.
Description
VIN Power supply
VIN Power supply
VIN Power supply
VIN Power supply
VIN Power supply
VIN Power supply
VIN Power supply
VIN Power supply
VIN Power supply
Power Ground
Battery Low Input
Platform Reset Output
Power Ground
USB 2.0 Data Port #7-
USB 2.0 Data Port #7+
Power Ground
USB 2.0 Data Port #6-
USB 2.0 Data Port #6+
Power Ground
DDI Port #1 TMDS I2C Data or DP Aux-
DDI Port #1 TMDS I2C Clock or DP Aux+
Power Ground
DDI Port #1 Differential pair 0-
DDI Port #1 Differential pair 0+
Power Ground
DDI Port #1 Differential pair 1-
CCHPC-C78-C
CCHPC-C78-C - Rev. First Edition: 1.0 - Last Edition: 1.0 - Author: S.O. - Reviewed by E.S. Copyright © 2023 SECO S.p.A.
are factory alternative to
COM HPC ® Connector CN1
Row A
Pin name
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
GND
BATLOW#
PLTRST#
GND
USB7-
USB7+
GND
USB6-
USB6+
GND
DDI1_SDA_AUX-
DDI1_SCL_AUX+
GND
DDI1_PAIR0-
DDI1_PAIR0+
GND
DDI1_PAIR1-
USB 3.2 Gen2 2x2 Port#2, and signals related to DDI Port #1
Rows A & B
Pin Pin Pin name
A1 B1 VCC VIN Power supply
A2 B2 PWRBTN# Power Button Input
A3 B3 VCC VIN Power supply
A4 B4 THERMTRIP# Thermal Trip Output
A5 B5 VCC VIN Power supply
A6 B6 TAMPER# Intruder Detect Input
A7 B7 VCC VIN Power supply
A8 B8 SUS_S3# Suspend to RAM (S3) indicator output
A9 B9 VCC VIN Power supply
A10 B10 WD_STROBE# Watchdog Strobe Input
A11 B11 WD_OUT Watchdog Event indicator Output
A12 B12 GND Power Ground
A13 B13 USB5- USB 2.0 Data Port #5-
A14 B14 USB5+ USB 2.0 Data Port #5+
A15 B15 GND Power Ground
A16 B16 USB4- USB 2.0 Data Port #4-
A17 B17 USB4+ USB 2.0 Data Port #4+
A18 B18 GND Power Ground
A19 B19 I2S_LRCLK I2S L/R Clock
A20 B20 I2S_DOUT I2S Data Out
A21 B21 I2S_MCLK I2S Master Clock
A22 B22 I2S_DIN I2S Data In
A23 B23 I2S_CLK I/O Data line for General Purpose I2C #0
A24 B24 VCC_5V_SBY Standby Power Input
A25 B25 USB67_OC# USB Over Current Ports 6/7
A26 B26 USB45_OC# USB Over Current Ports 4/5
are factory alternative to
Row B
Description
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