3.12
Serial Flash
The PIC32 WFI32E Curiosity Board has an on-board 32-Mb external SPI Flash (
SST26VF032B
) memory for storage
of data. The following table describes the details of the serial Flash pin connection.
Table 3-11. Serial Flash Pin Description
Pin
Number
Pin on Serial Flash
(SST26VF032B)
Pin Description of Serial
Flash
Pin on WFI32E01 Module
(1)
1
CE
Chip Enable
SPI1CS/RPA1/RA1
2
SO
Serial Data Output for SPI
mode
SDI1/RPC7/RC7
3
WP
Write-Protect
Not Connected
4
VSS
Ground
GND
5
SI
Serial Data Input for SPI mode
SDO1/RPC8/RC8
6
SCK
Serial Clock
SCK1/RPC6/RC6
7
HOLD
Hold
Not Connected
8
VDD
Input power supply
VDD
Note:
1.
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
).
3.13
Carrier Board Interface
The WFI32E01 module is connected to the carrier board connector (
J401
). The following table describes the pinout
details of the
J401
connector.
Table 3-12. Carrier Board Interface Description
Pin Number Pin on Carrier Board
Pin Description on
Carrier Board
Pin on WFI32E01 Module
(1)(2)
1
MCLR
Reset
MCLR
2
PTA_WLAN_ACTIVE/RPK5
Wi-Fi
®
and Bluetooth
®
coexistence/remappable
peripheral/PORTK digital
I/O
PTA_WLAN_ACTIVE/RPK5/RK5
3
PTA_BT_PRIO/RPK6
Wi-Fi and Bluetooth
coexistence/remappable
peripheral/PORTK digital
I/O
PTA_BT_PRIO/RPK6/RK6
4
PTA_BT_ACTIVE/RPK7
Wi-Fi and Bluetooth
coexistence/remappable
peripheral/PORTK digital
I/O
PTA_BT_ACTIVE/RPK7/RK7
5
BT_CLK_OUT/RPK4
Bluetooth clock out (26
MHz)/remappable
peripheral/PORTK digital
I/O
BT_CLK_OUT/RPK4/RK4
PIC32 WFI32E
Hardware
©
2020 Microchip Technology Inc.
User Guide
DS50003028A-page 16
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