3.12 Serial Flash (U203)
The PIC32 WFI32E Curiosity Board has an on-board 32-Mb external SPI
Flash (SST26VF032B) (U203) memory for storage of data. The following table describes
the details of the serial Flash pin connection:
| Pin Number | Pin on Serial Flash (SST26VF032B) | Pin Description of Serial Flash | Pin on WFI32E01 Module(1) |
|---|---|---|---|
| U203-1 | CE | Chip Enable | SPI1CS/RPA1/RA1 |
| U203-2 | SO | Serial Data Output for SPI mode | SDI1/RPC7/RC7 |
| U203-3 | WP | Write-Protect | Not Connected |
| U203-4 | VSS | Ground | GND |
| U203-5 | SI | Serial Data Input for SPI mode | SDO1/RPC8/RC8 |
| U203-6 | SCK | Serial Clock | SCK1/RPC6/RC6 |
| U203-7 | HOLD | Hold | Not Connected |
| U203-8 | VDD | Input power supply | NC |
Note:
- For more details on the WFI32E01 pins, refer to the PIC32MZ1025W104 MCU and WFI32E01 Module with Wi-Fi® and Hardware-based Security Accelerator Data Sheet (DS70005425).