Table 38.
MB1351_CN3 HDMI source connector
Pin number
Description
Pin number
Description
1,3,4,6,7,9,10,12
TMDS differential signal pair connected
to MB1351_CN1
16
I2C1_SDA (PB7)
13
CEC (PB10)
2,5,8,11,17
GND
14
NC
18
HDMI_5V_Source from the U1 power
switch
15
I2C1_SCL (PB6)
19
HPD (PD3)
7.2.4
CN4 and CN5 daughterboard female connectors
CN4 and CN5 female connectors are used to implement the legacy peripheral daughterboard on the mother
board. CN4 on the legacy daughterboard is connected to CN3 on the mother board, and CN5 on the legacy
daughterboard is connected to CN2 on the mother board. Refer to
for a detailed signal definition
of these connectors.
7.3
Connectors on UCPD daughterboard (MB1352)
7.3.1
MB1352_CN1 USB Type-A connector
Figure 23.
MB1352_CN1 USB Type-A connector (front view)
Table 39.
MB1352_CN1 USB Type-A connector
Pin number
Description
Pin number
Description
1
V
BUS
(power)
3
D+
2
D-
4
GND
7.3.2
MB1352_CN2 DisplayPort
™
source connector
Figure 24.
MB1352_CN2 DisplayPort
™
source connector (front view)
UM2783
Connectors on UCPD daughterboard (MB1352)
UM2783
-
Rev 1
page 39/59
