Ele
c
tric
al sch
emat
ics
UM24
03
6
0/7
U
M2
403
Re
v 1
Figure 41. STM32G081B-EVAL legacy peripheral daughterboard HDMI and CEC
3
5
HDMI_CEC
Title:
Size:
Reference:
Sheet:
of
A4
Revision:
Project:
STM32G081B-EVAL Legacy peripheral daughter board
MB1351
A 01
17-MAY-17
Variant name is not interpreted until output
Date:
-
Variant:
HDMI_HPD_SINK
Sink
Source
R20
1K
R7
1K
HDMI_5V_Sink
HDMI_5V_Sink
I2C2_SDA_5V
I2C2_SCL_5V
R9
47K
R10
47K
+3V3
R18
27K
HDMI_CEC_3V3
+5V
C2
4.7uF
GND
2
IN
5
EN
4
OUT
1
FAULT
3
U1
STMPS2141STR@54
HDMI_5V_Source
R22
1M
HDMI_HPD_Source_5V
I2C1_SCL_5V
I2C1_SDA_5V
R4
1.8K
R3
1.8K
+5V
R15
0
+5V
PD2
PB13
PB14
PB10
PD3
PB6
PB7
TMD
TMDS_Data2-
TMD
TMDS_Data1-
TMD
TMDS_Data0-
TMD
TMDS_Clock-
R8
1K
FT pin & Open Drain mode needed
Open drain pin!
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
22
20
21
CN3
HD119F-3A09200
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
22
20
21
CN1
HD119F-3A09200
SB3
SB4
SB5
SB6
3
1
2
T1
9012
2
1
3
G
SD
T4
2N7002
