70353C Datasheet, PDF (19/76 Pages) Microchip Technology – Section 21. Enhanced Controller Area Network

Section 21. Enhanced Controller Area Network (ECAN™)
Register 21-15: CiRXFUL2: ECAN Receive Buffer Full Register 2
R/C-0
RXFUL31
bit 15
R/C-0
RXFUL30
R/C-0
RXFUL29
R/C-0
R/C-0
RXFUL28 RXFUL27
R/C-0
RXFUL26
R/C-0
RXFUL25
R/C-0
RXFUL24
bit 8
R/C-0
RXFUL23
bit 7
R/C-0
RXFUL22
R/C-0
RXFUL21
R/C-0
R/C-0
RXFUL20 RXFUL19
R/C-0
RXFUL18
R/C-0
RXFUL17
R/C-0
RXFUL16
bit 0
Legend:
R = Readable bit
-n = Value at POR
C = Writable bit, but only ‘0’ can be written to clear the bit
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 15-0
RXFUL<31:16>: Receive Buffer n Full bits
1 = Buffer is full (set by module)
0 = Buffer is empty (cleared by user software)
21
Register 21-16: CiRXOVF1: ECAN Receive Buffer Overflow Register 1
R/C-0
bit 15
R/C-0
R/C-0
R/C-0
R/C-0
RXOVF<15:8>
R/C-0
R/C-0
R/C-0
bit 8
R/C-0
bit 7
R/C-0
R/C-0
R/C-0
R/C-0
RXOVF<7:0>
R/C-0
R/C-0
R/C-0
bit 0
Legend:
R = Readable bit
-n = Value at POR
C = Writable bit, but only ‘0’ can be written to clear the bit
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 15-0
RXOVF<15:0>: Receive Buffer n Overflow bits
1 = Module attempted to write to a full buffer (set by module)
0 = No overflow condition (cleared by user software)
Register 21-17: CiRXOVF2: ECAN Receive Buffer Overflow Register 2
R/C-0
RXOVF31
bit 15
R/C-0
RXOVF30
R/C-0
R/C-0
R/C-0
RXOVF29 RXOVF28 RXOVF27
R/C-0
RXOVF26
R/C-0
RXOVF25
R/C-0
RXOVF24
bit 8
R/C-0
RXOVF23
bit 7
R/C-0
RXOVF22
R/C-0
R/C-0
R/C-0
RXOVF21 RXOVF20 RXOVF19
R/C-0
RXOVF18
R/C-0
RXOVF17
R/C-0
RXOVF16
bit 0
Legend:
R = Readable bit
-n = Value at POR
C = Writable bit, but only ‘0’ can be written to clear the bit
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 15-0
RXOVF<31:16>: Receive Buffer n Overflow bits
1 = Module attempted to write to a full buffer (set by module)
0 = No overflow condition (cleared by user software)
© 2008-2011 Microchip Technology Inc.
DS70353C-page 21-19