Osbourne User Manual V0.21
Page 18
7 CONNECTOR PINOUT SPECIFICATIONS
7.1 Main I/O Connector
Most I/O connections are routed to a high density, high-speed I/O connector located on the front edge of the
board. A variety of I/O connector boards may be designed based on the application requirements. A connector
board using commercial type connectors and oriented in line with the carrier board is available as part no.
OSB-
PNL01
.
Direction w.r.t
Osbourne
Voltage
Level/Pin Type
Signal Name
Pin# Pin#
Signal Name
Voltage
Level/Pin Type
Direction w.r.t
Osbourne
Output
Analog Output
AUDIO_HPOR_HD
A
1
2
GND_AUD
Audio Ground
Output
Analog Output
AUDIO_HPOL_HD
A
3
4
AUDIO_MIC_L
Analog Signal
Power
3 V
V_3P0_RTC_CON
5
6
AUDIO_MIC_R
Analog Signal
Power
5 V
V_5P0_A
7
8
AUDIO_PRSNT_L
1.8 V
Input
Power
3.3 /5.0 V
V_DIO
9
10
GND_DIG
Ground
Bi-directional
3.3 /5.0 V
DIO_PA7
11
12
USB3/PCIE_UPHY
_RX0_P
USB2 Diff pair/
PCIe Diff pair
Input
Bi-directional
3.3 /5.0 V
DIO_PA6
13
14
USB3/PCIE_UPHY
_RX0_N
USB2 Diff pair/
PCIe Diff pair
Input
Bi-directional
3.3 /5.0 V
DIO_PA5
15
16
GND_DIG
Ground
Bi-directional
3.3 /5.0 V
DIO_PA4
17
18
USB3/PCIE_UPHY
_TX0_P
USB3 Diff pair/
PCIe Diff pair
Output
Bi-directional
3.3 /5.0 V
DIO_PA3
19
20
USB3/PCIE_UPHY
_TX0_N
USB3 Diff pair/
PCIe Diff pair
Output
Bi-directional
3.3 /5.0 V
DIO_PA2
21
22
GND_DIG
Ground
Bi-directional
3.3 /5.0 V
DIO_PA1
23
24
USB3_UPHY_RX1
_P
USB3 Diff pair
Input
Bi-directional
3.3 /5.0 V
DIO_PA0
25
26
USB3_UPHY_RX1
_N
USB3 Diff pair
Input
Power
5 V
V_USB3_1
27
28
GND_DIG
Ground
Bi-directional
USB2 Diff pair
USB2_D1_CH_N
29
30
USB3_UPHY_TX1
_P
USB3 Diff pair
Output
Bi-directional
USB2 Diff pair
USB2_D1_CH_P
31
32
USB3_UPHY_TX1
_N
USB3 Diff pair
Output
Power
5 V
V_USB3_2
33
34
GND_DIG
Ground
Bi-directional
USB2 Diff pair
USB2_D0_CH_N
35
36
HDMI_DP2_TX0_C
ON_P
HDMI Diff pair
Output
Bi-directional
USB2 Diff pair
USB2_D0_CH_P
37
38
HDMI_DP2_TX0_C
ON_N
HDMI Diff pair
Output
Output
1.8 V
GPIO20_DP/HDMI
_EN_1P8
39
40
GND_DIG
Ground
Output
Open-Drain,
1.8V (3.3V
tolerant)
DP2_AUX_CH_P
41
42
HDMI_DP2_TX3_C
ON_P
HDMI Diff pair
Output
Bi-directional
Open Drain,
1.8V (3.3V
tolerant
DP2_AUX_CH_N
43
44
HDMI_DP2_TX3_C
ON_N
HDMI Diff pair
Output
Bi-directional
Open Drain,
1.8V (3.3V
tolerant
HDMI_CEC_CON
45
46
GND_DIG
Ground
Bi-directional
CMOS
– 1.8V
DP2/HDMI_HPD
47
48
HDMI_DP2_TX2_C
ON_N
HDMI Diff pair
Output
Input
RS232 Signal
UART5_CTS_RS2
32
49
50
HDMI_DP2_TX2_C
ON_P
HDMI Diff pair
Output
Input
RS232 Signal
UART5_RX_RS23
2
51
52
GND_DIG
Ground