Microchip Technology MA330019-2 Data Sheet
dsPIC33FJ32GP302/304, dsPIC33FJ64GPX02/X04, AND dsPIC33FJ128GPX02/X04
DS70292G-page 236
© 2007-2012 Microchip Technology Inc.
REGISTER 19-5:
CiFIFO: ECAN™ FIFO STATUS REGISTER
U-0
U-0
R-0
R-0
R-0
R-0
R-0
R-0
—
—
FBP<5:0>
bit 15
bit 8
U-0
U-0
R-0
R-0
R-0
R-0
R-0
R-0
—
—
FNRB<5:0>
bit 7
bit 0
Legend:
C = Writable bit, but only ‘0’ can be written to clear the bit
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
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
011111 = RB31 buffer
011110 = RB30 buffer
•
•
•
000001 = TRB1 buffer
000000 = TRB0 buffer