Microchip Technology MA330031 Data Sheet
dsPIC33EPXXXGP50X, dsPIC33EPXXXMC20X/50X AND PIC24EPXXXGP/MC20X
DS70000657H-page 290
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
REQOP2
REQOP1
REQOP0
bit 15
bit 8
R-1
R-0
R-0
U-0
R/W-0
U-0
U-0
R/W-0
OPMODE2
OPMODE1
OPMODE0
—
CANCAP
—
—
WIN
bit 7
bit 0
Legend:
R = Readable 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
CSIDL:
ECANx 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:
ECANx Module Clock (F
CAN
) Source Select bit
1
= F
CAN
is equal to 2 * F
P
0
= F
CAN
is equal to F
P
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