TQ TQMx50UC, User Manual

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User's Manual l TQMx50UC UM 0101 l © 2018 TQ-Group Page 17
Table 10: COM Express™ Connector Pin Assignment (continued)
Pin Pin-Signal Description Type Remark
B1 GND(FIXED) Ground GND
B2 GBE0_ACT# Gigabit Ethernet Controller 0 active indicator OD
B3 LPC_FRAME# LPC frame indicates the start of an LPC cycle I/O
B4 LPC_AD0 LPC multiplexed address, command and data bus I/O
B5 LPC_AD1 LPC multiplexed address, command and data bus I/O
B6 LPC_AD2 LPC multiplexed address, command and data bus I/O
B7 LPC_AD3 LPC multiplexed address, command and data bus I/O
B8 (LPC_DRQ0#) GPIO LPC serial DMA request I/O N/A TQ-flexiCFG
B9 (LPC_DRQ1#) GPIO LPC serial DMA request I/O N/A TQ-flexiCFG
B10 LPC_CLK LPC clock output O
B11 GND(FIXED) Ground GND
B12 PWRBTN# Power button input I PU TQ-flexiCFG
B13 SMB_CK System Management Bus bidirectional clock line I/O
B14 SMB_DAT System Management Bus bidirectional data line I/O
B15 SMB_ALERT# System Management Bus Alert I PU
B16 S SATA differential transmit pairs O
B17 SATA1_TX– SATA differential transmit pairs O
B18 SUS_STAT# Indicates imminent suspend operation O
B19 S SATA differential receive pairs I
B20 SATA1_RX– SATA differential receive pairs I
B21 GND(FIXED) Ground GND
B22 S SATA differential transmit pairs O
B23 SATA3_TX– SATA differential transmit pairs O
B24 PWR_OK Power OK from main power supply I PU TQ-flexiCFG
B25 S SATA differential receive pairs I
B26 SATA3_RX– SATA differential receive pairs I
B27 WDT watchdog time-out O TQ-flexiCFG
B28 AC/HDA_SDIN2 Serial TDM data input I PU N/A
B29 AC/HDA_SDIN1 Serial TDM data input I PU
B30 AC/HDA_SDIN0 Serial TDM data input I PU
B31 GND(FIXED) Ground GND
B32 SPKR PC Audio Speaker output O
B33 I2C_CK General purpose I2C port clock output I/O TQ-flexiCFG
B34 I2C_DAT General purpose I2C port data I/O line I/O TQ-flexiCFG
B35 THRM# Input from carrier temperature sensor I PU
B36 USB7– USB differential pairs I/O
B37 USB7+ USB differential pairs I/O
B38 USB_4_5_OC# USB over-current sense, USB channels 4 and 5 I PU
B39 USB5– USB differential pairs I/O
B40 USB5+ USB differential pairs I/O
B41 GND(FIXED) Ground GND
B42 USB3– USB differential pairs I/O
B43 USB3+ USB differential pairs I/O
B44 USB_0_1_OC# USB over-current sense, USB channels 0 and 1 I PU
B45 USB1– USB differential pairs I/O
B46 USB1+ USB differential pairs I/O
B47 EXCD1_PERST# PCI ExpressCard: reset, active low, one per card O TQ-flexiCFG
B48 EXCD1_CPPE# PCI ExpressCard: PCI Express capable card request, active low I PU TQ-flexiCFG
B49 SYS_RESET# Reset button input I PU TQ-flexiCFG
B50 CB_RESET# Reset output from TQMx50UC to Carrier Board O TQ-flexiCFG
B51 GND(FIXED) Ground GND
B52 P PCI Express differential receive pairs I N/A
B53 PCIE_RX5– PCI Express differential receive pairs I N/A
B54 GPO1/SD_CMD GPO1 / SDIO Command O PD TQ-flexiCFG
B55 P PCI Express differential receive pairs I N/A