Hdmi Source Connector Cn3; Daughterboard Female Connector Cn4 And Cn5; Connectors On Ucpd Daughterboard; Usb Type A Connector Cn1 - ST STM32G081B-EVAL User Manual

Connectors
9.2.3
9.2.4
9.3
9.3.1
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HDMI source connector CN3

Figure 21. HDMI source connector CN3 (front view)

Table 33. HDMI source connector CN3

Pin number
TMDS differential signal pair
1,3,4,6,7,9,10,12
connected to CN1
13 CEC (PB10)
14 NC
15 I2C1_SCL (PB6)

Daughterboard female connector CN4 and CN5

Two female connectors CN4 and CN5 are used to implement the legacy peripheral
daughterboard on the mother board. CN4 on legacy daughterboard is connected to CN5 on
mother board, and CN5 on legacy daughterboard is connected to CN4 on mother board.
Please refer to Section 9.1.3

Connectors on UCPD daughterboard

USB Type A connector CN1

Figure 22. USB Type A connector CN1 (front view)

Pin number
1 VBUS (power)
2 D-
Description Pin number
16
2,5,8,11,17
18
19
for detail signal definition of these connectors.

Table 34. USB Type A connector CN1

Description Pin number
3
4
UM2403 Rev 1
UM2403
Description
I2C1_SDA (PB7)
GND
HDMI_5V_Source from power
switch U3
HPD (PD3)
Description
D+
GND