Datasheet

dsPIC33EPXXXGP50X, dsPIC33EPXXXMC20X/50X AND PIC24EPXXXGP/MC20X
DS70657G-page 288  2011-2013 Microchip Technology Inc.
21.4 ECAN Control Registers
REGISTER 21-1: CxCTRL1: ECANx CONTROL REGISTER 1
U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-1 R/W-0 R/W-0
— — CSIDL ABAT CANCKS REQOP<2:0>
bit 15 bit 8
R-1 R-0 R-0 U-0 R/W-0 U-0 U-0 R/W-0
OPMODE<2:0>
— CANCAP — —WIN
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 CSIDL: ECAN Stop in Idle Mode bit
1 = Discontinues module operation when device enters Idle mode
0 = Continues module operation in Idle mode
bit 12 ABAT: Abort All Pending Transmissions bit
1 = Signals all transmit buffers to abort transmission
0 = Module will clear this bit when all transmissions are aborted
bit 11 CANCKS: ECAN Module Clock (F
CAN) Source Select bit
1 = FCAN is equal to 2 * FP
0 = FCAN is equal to FP
bit 10-8 REQOP<2:0>: Request Operation Mode bits
111 = Set Listen All Messages mode
110 = Reserved
101 = Reserved
100 = Set Configuration mode
011 = Set Listen Only mode
010 = Set Loopback mode
001 = Set Disable mode
000 = Set Normal Operation mode
bit 7-5 OPMODE<2:0>: Operation Mode bits
111 = Module is in Listen All Messages mode
110 = Reserved
101 = Reserved
100 = Module is in Configuration mode
011 = Module is in Listen Only mode
010 = Module is in Loopback mode
001 = Module is in Disable mode
000 = Module is in Normal Operation mode
bit 4 Unimplemented: Read as ‘0’
bit 3 CANCAP: CAN Message Receive Timer Capture Event Enable bit
1 = Enables input capture based on CAN message receive
0 = Disables CAN capture
bit 2-1 Unimplemented: Read as ‘0’
bit 0 WIN: SFR Map Window Select bit
1 = Uses filter window
0 = Uses buffer window