Datasheet

dsPIC33EPXXXGP50X, dsPIC33EPXXXMC20X/50X AND PIC24EPXXXGP/MC20X
DS70000657H-page 294  2011-2013 Microchip Technology Inc.
REGISTER 21-5: CxFIFO: ECANx FIFO STATUS REGISTER
U-0 U-0 R-0 R-0 R-0 R-0 R-0 R-0
— — FBP5 FBP4 FBP3 FBP2 FBP1 FBP0
bit 15 bit 8
U-0 U-0 R-0 R-0 R-0 R-0 R-0 R-0
— — FNRB5 FNRB4 FNRB3 FNRB2 FNRB1 FNRB0
bit 7 bit 0
Legend:
R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’
-n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown
bit 15-14 Unimplemented: Read as ‘0’
bit 13-8 FBP<5:0>: FIFO Buffer Pointer bits
011111 = RB31 buffer
011110 = RB30 buffer
•
•
•
000001 = TRB1 buffer
000000 = TRB0 buffer
bit 7-6 Unimplemented: Read as ‘0’
bit 5-0 FNRB<5:0>: FIFO Next Read Buffer Pointer bits
011111 = RB31 buffer
011110 = RB30 buffer
•
•
•
000001 = TRB1 buffer
000000 = TRB0 buffer