3.4.3.4 Power Supply
The GP EVM utilizes an array of DC-DC converters to supply the various memories, clocks, SoC and other
components on the card with the necessary voltage and the power required.
gives power-good LEDs
provided on EVM board to give users positive confirmation of the status of output of each supply.
Test points for each power outputs are provided on the EVM Board and are mentioned in the below
.
Table 3-4. Power Test Points
Sl.No
Power Supply
Test Point
Voltage
Top Side
1
VMAIN
TP81
12 V
2
VCC_5V0
TP18
5 V
3
VCC3V3_PREREG
TP12
3.3 V
4
VCC_3V3_SYS
TP44
3.3 V
5
VDD_2V5
TP6
2.5 V
6
VDD_1V1
TP28
1.1 V
7
VDDA1V8
TP29
1.8 V
8
VDD_CORE
TP14
0.75 V
9
VCC_CORE
TP23
0.75 V
10
VDD_0V85
TP8
0.85 V
11
VDDAR_CORE
TP10
0.85 V
12
VCC1V2_DDR
TP4
1.2 V
13
VDD_2V8
TP99
2.8 V
14
VCC3V3_TA
TP96
3.3 V
15
VDD_1V0
TP56
1 V
16
VPP_DDR_2V5
TP47
2.5 V
17
VDDR_VTT
TP48
0.6 V
18
VCC1V8
TP51
1.8 V
19
VPP_1V8
TP52
1.8 V
System Description
SPRUIX0B – FEBRUARY 2021 – REVISED MARCH 2021
AM64x GP EVM User's Guide
13
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