3.12 Serial Flash (U203)

The PIC32 WFI32 2.0 Curiosity Board has an on-board 32-Mb external SST26VF032B SPI Flash (U203) memory for storage of data. The following table describes the details of the serial Flash pin connection:

Table 3-12. Serial Flash Pin Description
Pin Number	Pin on Serial Flash (SST26VF032B)	Pin Description of Serial Flash	Pin on WFI32E03 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 WFI32E03 pins, refer to the PIC32MZ W1 MCU and WFI32 Module with Wi-Fi® and Hardware-Based Security Accelerator Data Sheet (DS70005425).