
Peripherals
69
March 2004  Revised October 2004
SGUS051A
Table 45. 3.3-V eCAN Transceivers for the 320F281x and 320C281x DSPs (Continued)
PART NUMBER
SUPPLY
VOLTAGE
LOW-POWER
MODE
SLOPE
CONTROL
VREF
OTHER
TA
SN65HVD234
3.3 V
Standby & Sleep
Adjustable
None
40
°
C  to 125
°
C
SN65HVD235
3.3 V
Standby
Adjustable
None
Autobaud
Loopback
40
°
C  to 125
°
C
Mailbox Enable  CANME
Mailbox Direction  CANMD
Transmission Request Set  CANTRS
Transmission Request Reset  CANTRR
Transmission Acknowledge  CANTA
Abort Acknowledge  CANAA
Received Message Pending  CANRMP
Received Message Lost  CANRML
Remote Frame Pending  CANRFP
Global Acceptance Mask  CANGAM
Master Control  CANMC
Bit-Timing Configuration  CANBTC
Error and Status  CANES
Transmit Error Counter  CANTEC
Receive Error Counter  CANREC
Global Interrupt Flag 0  CANGIF0
Global Interrupt Mask  CANGIM
Global Interrupt Flag 1  CANGIF1
Mailbox Interrupt Mask  CANMIM
Mailbox Interrupt Level  CANMIL
Overwrite Protection Control  CANOPC
TX I/O Control  CANTIOC
RX I/O Control  CANRIOC
Time Stamp Counter  CANTSC
Time-Out Control  CANTOC
Time-Out Status  CANTOS
Reserved
eCAN Control and Status Registers
Message Identifier  MSGID
Message Control  MSGCTRL
61E8h61E9h
Message Data Low  MDL
Message Data High  MDH
Message Mailbox  (16 Bytes)
Control and Status Registers
6000h
603Fh
6040h
607Fh
Local Acceptance Masks (LAM)
(32 
×
 32-Bit RAM)
6080h
60BFh
60C0h
60FFh
eCAN Memory (512 Bytes)
Message Object Time Stamps (MOTS)
(32 
×
 32-Bit RAM)
Message Object Time-Out (MOTO)
(32 
×
 32-Bit RAM)
Mailbox 0
Mailbox 1
Mailbox 2
6100h6107h
6108h610Fh
6110h6117h
Mailbox 3
Mailbox 4
6118h611Fh
6120h6127h
eCAN Memory RAM (512 Bytes)
Mailbox 28
Mailbox 29
Mailbox 30
Mailbox 31
61E0h61E7h
61E8h61EFh
61F0h61F7h
61F8h61FFh
61EAh61EBh
61ECh61EDh
61EEh61EFh
Figure 48. eCAN Memory Map