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. Table 3-5 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.
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
(1)
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
(1) AM243x EVM should be 0.85 V.
System Description
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14 AM64x/AM243x GP EVM User's Guide SPRUIX0C – FEBRUARY 2021 – REVISED JUNE 2021
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