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COMe-bTL6 - User Guide. Rev. 1.5
// 56
Pin
Signal
Description
Type
Termination
Comment
B26
SATA3_RX_-
SATA 3 Receive Pair -
DP-I
---
---
B27
WDT
Watch Dog Time-Out event
O-3.3
PD 10K
---
B28
NC (SNDW_CLK
option)
Not Connected
NC
---
Untested option to
support Soundwire
bus
B29
HDA_SDIN1_SNDW
_DATA
Audio Codec Serial Data in 1
I-3.3
PD 20k in PCH
Untested option to
support Soundwire
bus
B30
HDA_SDIN0
Audio Codec Serial Data in 0
I-3.3
PD 20k in PCH
---
B31
GND
Power Ground
PWR GND
---
---
B32
SPKR
Speaker
O-3.3
PD 20k in PCH
PD is enabled until
reset is deasserted
B33
I2C_CLK
I2C Clock
O-3.3
PU 2k21 3.3V
(S5)
---
B34
I2C_DAT
I2C Data
I/O-3.3
PU 2k21 3.3V
(S5)
---
B35
THRM#
Over Temperature Input
I-3.3
PU 10k 3.3V
(S0)
no function
implemented
B36
USB7_-
USB 2.0 Data Pair Port 7 –
DP-I/O
PD 14.25k to
24.8k in PCH
---
B37
USB7_+
USB 2.0 Data Pair Port 7 +
DP-I/O
PD 14.25k to
24.8k in PCH
---
B38
USB_4_5_OC#
USB Overcurrent Indicator Port
4/5
I-3.3
PU 10k 3.3V
(S5)
---
B39
USB5_-
USB 2.0 Data Pair Port 5 –
DP-I/O
PD 14.25k to
24.8k in PCH
---
B40
USB5_+
USB 2.0 Data Pair Port 5 +
DP-I/O
PD 14.25k to
24.8k in PCH
---
B41
GND
Power Ground
PWR GND
---
---
B42
USB3_-
USB 2.0 Data Pair Port 3 –
DP-I/O
PD 14.25k to
24.8k in PCH
---
B43
USB3_+
USB 2.0 Data Pair Port 3 +
DP-I/O
PD 14.25k to
24.8k in PCH
---
B44
USB_0_1_OC#
USB Overcurrent Indicator Port
0/1
I-3.3
PU 10k 3.3V
(S5)
---
B45
USB1_-
USB 2.0 Data Pair Port 1 –
DP-I/O
PD 14.25k to
24.8k in PCH
---
B46
USB1_+
USB 2.0 Data Pair Port 1 +
DP-I/O
PD 14.25k to
24.8k in PCH
---
B47
ESPI_EN#
Enable/Disable ESPI-
Mode/LPC-Mode
I-3.3
PU 20k 3.3V
(S5)
---
B48
USB_HOST_PRSNT
USB Host Detection
I-3.3
PD 100k
---
B49
EXT_SYS_RESET#
Reset Button Input
I-3.3
PU 10k 3.3V
(S5)
---
B50
CB_RESET#
Carrier Board Reset
O-3.3
PD 10k
---
B51
GND
Power Ground
PWR GND
---
---
B52
PC
PCI Express Lane 5 R
DP-I
---
---
B53
PCIE_RX5_-
PCI Express Lane 5 Receive -
DP-I
---
---
B54
GPO1
General Purpose Output 1
O-3.3
PD 100k
---
B55
PC
PCI Express Lane 4 R
DP-I
---
---
B56
PCIE_RX4_-
PCI Express Lane 4 Receive -
DP-I
---
---
B57
GPO2
General Purpose Output 2
O-3.3
PD 100k
---