BeagleBone Black - Figure 42. HDMI Power Connections

REF: BBONEBLK_SRM
BeagleBone Black System
Reference Manual
Rev A5.2
Page 66 of 108
6.9.7 Power Connections
Figure 42 shows the power connections to the TDA19988 device. All voltage rails for
the device are at 1.8V. A filter is provided to minimize any noise from the 1.8V rail
getting back into the device.
FB5
150OHM800mA
1 2
HDMI_1V8
DGND
U11
TDA19988
VDDIOA(1.8V)
14
VPP
19
TEST
49
VDDA(PLL0)(1.8V)
47
VDDA0(1.8V)
35
VDDA1(TX)(1.8V)
36
VDDDC0(1.8V)
5
VDDDC1(1.8V)
29
VDDA2(TX)(1.8V)
41
VDDA3(TX)(1.8V)
46
VDDA(PLL1)(1.8V)
48
VDDIOB(1.8V)
55
PAD
65
C1490.1uf,6.3V C1450.1uf,6.3V C1500.1uf,6.3V C1470.1uf,6.3V
C1512.2uF,6.3V
VDD_1V8
C1482.2uF,6.3V C1462.2uF,6.3V C1442.2uF,6.3V
R149
0,1%
Figure 42. HDMI Power Connections
All of the interfaces between the processor and the TDA19988 are 3.3V tolerant allowing
for direct connection.