| 81 | 5V_MAIN | 5V_MAIN | Input power | 5V main input supply |
| 90 | VDD_3V3 | VDD_3V3 | Output power | 3.3V I/Os voltage output |
| 91 | VDD_3V3 | VDD_3V3 | Output power | 3.3V I/Os voltage output |
| 82 | 5V_MAIN | 5V_MAIN | Input power | 5V main input supply |
| 92 | VDDIODDR | VDDIODDR | Output power | 1.35V/1.8V memory voltage output |
| 93 | VDDIODDR | VDDIODDR | Output power | 1.35V/1.8V memory voltage output |
| 85 | SELVL1 | 5V_MAIN | Input | VLDO1 Default Output Voltage Selection
pin. Three-state input. |
| 84 | VLDO1 | VOUT1 | Output power | VLDO1 output voltage |
| 83 | VLDO2 | VOUT2 | Output power | VLDO2 output voltage |
| 76 | LPM | 5V_MAIN | Input | Low-Power Mode Input pin. In combination
with PWRHLD and HPM, this pin defines the MCP16502 power mode
status. |
| 75 | nSTART_SOM | 5V_MAIN | Input/Pull-up | Start event input. Drives nSTART_SOM to
low to initiate a start-up sequence. nSTART_SOM is pulled up internally.
A capacitor can be connected to automatically initiate a power-up
sequence when the main supply rises. |
| 133 | VDDANA | VDDANA | Input power | Analog voltage input |
| 130 | VDDBU | VDDBU | Input power | Backup voltage input |
| 145 | VDDIOP0 | VDDIOP0 | Input power | VDDIOP0 voltage input |
| 105 | VDDIOP1 | VDDIOP1 | Input power | VDDIOP1 voltage input |
| 143 | VDDLVDS | VDDLVDS | Input power | VDDLVDS voltage input |
| 142 | VDD_2V5 | VDDOUT25 | Output power | 2.5V output voltage |
| 1, 2, 9, 16, 29, 30, 39, 40, 41, 42,
49, 56, 63, 74, 80, 86, 87, 88, 89, 94, 106, 117, 124, 126, 127, 128,
129, 131, 132, 134, 135, 144, 146, 153, 156, 159, 163, 166, 169, 172,
173, 174 | GND | GND | Ground | Ground connection |
