8.1 Power Supplies

Table 8-1. SAMA7D65 SOM Series Power Supplies
Pin No.NamePower TypeOutput Current CapabilityPower Domain
136VBATInputBackup supply input
75VDDGMAC1InputVDDGMAC1 power rail supply input
23VDDIOP0InputVDDIOP0 power rail supply input
71VDDIOP1InputVDDIOP1 power rail supply input
138 VDDSDMMC1Input VDDSDMMC1 power rail supply input
90VDDSDMMC2InputVDDSDMMC2 power rail supply input
156, 157VDD_3V3Output300 mA I/O supply and customer application output
151, 152, 1535V_MAINInputSystem power input
175VLDO1Output300 mAAdjustable output depending on application settings
176VLDO2Output300 mAAdjustable output depending on application settings
21VDD_2V5OutputN/A2.5V output for LVDS interface. Do not use for any other purpose.
22VDDLVDSInput

I/O supply

LVDS interface supply input

The Microchip SAMA7D65 System-On-Module Series is supplied by a unique input (5V_MAIN) and its internal supplies are all delivered by a power management unit (MCP16502) and a DC/DC (MIC33153), as shown in the following figure.

Figure 8-1. SAMA7D65 SOM Series Power Architecture