Datasheet

© 2010 Microchip Technology Inc. DS61156D-page 161
PIC32MX5XX/6XX/7XX
REGISTER 28-4: DEVCFG3: DEVICE CONFIGURATION WORD 3
R/P R/P r-1 r-1 r-1 R/P R/P R/P
FVBUSONIO FUSBIDIO
— — — FCANIO FETHIO FMIIEN
bit 31 bit 24
r-1 r-1 r-1 r-1 r-1 R/P R/P R/P
— — — — — FSRSSEL<2:0>
bit 23 bit 16
R/P R/P R/P R/P R/P R/P R/P R/P
USERID<15:8>
bit 15 bit 8
R/P R/P R/P R/P R/P R/P R/P R/P
USERID<7:0>
bit 7 bit 0
Legend:
R = Readable bit W = Writable bit P = Programmable bit r = Reserved bit
U = Unimplemented bit -n = Bit Value at POR: (‘0’, ‘1’, x = Unknown)
bit 31
FVBUSONIO: USB VBUS_ON Selection bit
1 = VBUSON pin is controlled by the USB module
0 = VBUSON pin is controlled by the port function
bit 30
FUSBIDIO: USB USBID Selection bit
1 = USBID pin is controlled by the USB module
0 = USBID pin is controlled by the port function
bit 29-27
Reserved: Write ‘1’
bit 26
FCANIO: CAN I/O Pin Selection bit
1 = Default CAN I/O Pins
0 = Alternate CAN I/O Pins
bit 25
FETHIO: Ethernet I/O Pin Selection bit
1 = Default Ethernet I/O Pins
0 = Alternate Ethernet I/O Pins
bit 24
FMIIEN: Ethernet MII Enable bit
1 = MII is enabled
0 = RMII is enabled
bit 23-19
Reserved: Write ‘1’
bit 18-16
FSRSSEL<2:0>: SRS Select bits
111 = Assign Interrupt Priority 7 to a shadow register set
110 = Assign Interrupt Priority 6 to a shadow register set
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•
•
001 = Assign Interrupt Priority 1 to a shadow register set
000 = All interrupt priorities are assigned to a shadow register set
bit 15-0
USERID<15:0>: This is a 16-bit value that is user-defined and is readable via ICSP™ and JTAG