Embeetle, an IDE designed from scratch for embedded software developers.address_offset : 0x0 Bytes (0x0)
size : 0xC0 byte (0x0)
mem_usage : registers
protection :
Config state and transmit/receive control register 0
address_offset : 0xA0 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0
BUSOFF : BUS off status
bits : 0 - 0 (1 bit)
access : read-write
Enumeration:
#0 : 0
The controller status is bus on
#1 : 1
The controller status is bus off
End of enumeration elements list.
TACTIVE : Transmission Active
bits : 1 - 1 (1 bit)
access : read-only
Enumeration:
#0 : 0
No transmit activity
#1 : 1
The controller is currently transmitting a frame
End of enumeration elements list.
RACTIVE : Reception Active
bits : 2 - 2 (1 bit)
access : read-only
Enumeration:
#0 : 0
No receive activity
#1 : 1
The controller is currently receiving a frame
End of enumeration elements list.
TSSS : Transmission Secondary single shot mode for STB
bits : 3 - 3 (1 bit)
access : read-write
Enumeration:
#0 : 0
Disabled
#1 : 1
Enabled
End of enumeration elements list.
TPSS : Transmission Primary single shot mode for PTB
bits : 4 - 4 (1 bit)
access : read-write
Enumeration:
#0 : 0
Disabled
#1 : 1
Enabled
End of enumeration elements list.
LBMI : Loop back mode internal
bits : 5 - 5 (1 bit)
access : read-write
Enumeration:
#0 : 0
Disabled
#1 : 1
Enabled
End of enumeration elements list.
LBME : Loop back mode, external
bits : 6 - 6 (1 bit)
access : read-write
Enumeration:
#0 : 0
Disabled
#1 : 1
Enabled
End of enumeration elements list.
RESET : reset request bit
bits : 7 - 7 (1 bit)
access : read-write
Enumeration:
#0 : 0
No local reset of CAN-CTRL
#1 : 1
The host controller performs a local reset of CAN-CTRL
End of enumeration elements list.
TSA : Transmit Secondary Abort
bits : 8 - 8 (1 bit)
access : read-write
Enumeration:
#0 : 0
No abort
#1 : 1
Aborts a transmission from STB which has been requested but not started yet
End of enumeration elements list.
TSALL : Transmit Secondary All frames
bits : 9 - 9 (1 bit)
access : read-write
Enumeration:
#0 : 0
No transmission for the STB
#1 : 1
Transmission enable of all messages in the STB
End of enumeration elements list.
TSONE : Transmit Secondary one Frame
bits : 10 - 10 (1 bit)
access : read-write
Enumeration:
#0 : 0
No transmission for the STB
#1 : 1
Transmission enable of one in the STB
End of enumeration elements list.
TPA : Transmit Primary Abort
bits : 11 - 11 (1 bit)
access : read-write
Enumeration:
#0 : 0
no abort
#1 : 1
Aborts a transmission from PTB which has been requested by TPE=1 but not started yet
End of enumeration elements list.
TPE : Transmit Primary Enable
bits : 12 - 12 (1 bit)
access : read-write
Enumeration:
#0 : 0
No transmission for the PTB
#1 : 1
Transmission enable for the message in the high-priority PTB
End of enumeration elements list.
STBY : Transceiver Standby mode
bits : 13 - 13 (1 bit)
access : read-write
Enumeration:
#0 : 0
Disabled
#1 : 1
Enabled
End of enumeration elements list.
LOM : Listen Only mode
bits : 14 - 14 (1 bit)
access : read-write
Enumeration:
#0 : 0
Disabled
#1 : 1
Enabled
End of enumeration elements list.
TBSEL : Transmit Buffer Select
bits : 15 - 15 (1 bit)
access : read-write
Enumeration:
#0 : 0
PTB (high-priority buffer)
#1 : 1
STB
End of enumeration elements list.
TSSTAT : Transmit Secondary status bits
bits : 16 - 17 (2 bit)
access : read-only
Enumeration:
#00 : 00
STB is empty
#01 : 01
STB is less than or equal to half full
#10 : 10
STB is more than half full
#01 : 11
STB is full
End of enumeration elements list.
TSMODE : Transmit buffer Secondary operation Mode
bits : 21 - 21 (1 bit)
access : read-write
Enumeration:
#0 : 0
FIFO mode
#1 : 1
priority decision mode
End of enumeration elements list.
TSNEXT : Transmit Buffer Secondary next
bits : 22 - 22 (1 bit)
access : read-write
Enumeration:
#0 : 0
No action
#1 : 1
STB slot filled, select next slot
End of enumeration elements list.
FDISO : FD ISO mode
bits : 23 - 23 (1 bit)
access : read-write
Enumeration:
#0 : 0
Bosch CAN FD (non-ISO) mode
#1 : 1
ISO CAN FD mode (ISO 11898-1:2015)
End of enumeration elements list.
RSTAT : Receive Buffer status bits
bits : 24 - 25 (2 bit)
access : read-only
Enumeration:
#00 : 00
empty
#01 : 01
less than empty and more than almost full (AFWL)
#10 : 10
almost full (programmable threshold by AFWL) but not full and no overflow
#01 : 11
full
End of enumeration elements list.
RBALL : Receive Buffer stores ALL data frames
bits : 27 - 27 (1 bit)
access : read-write
Enumeration:
#0 : 0
Normal operation
#1 : 1
RB stores correct data frames as well as data frames with error
End of enumeration elements list.
RREL : Receive Buffer Release
bits : 28 - 28 (1 bit)
access : read-write
Enumeration:
#0 : 0
No release
#1 : 1
Release: The host has read the RB
End of enumeration elements list.
ROV : Receive Buffer Overflow
bits : 29 - 29 (1 bit)
access : read-only
Enumeration:
#0 : 0
No Overflow
#1 : 1
Overflow. At least one message is lost
End of enumeration elements list.
ROM : Receive Buffer Overflow Mode
bits : 30 - 30 (1 bit)
access : read-write
Enumeration:
#0 : 0
The oldest message will be overwritten
#1 : 1
The new message will not be stored
End of enumeration elements list.
SACK : Self-Acknowledge when LBME = 1
bits : 31 - 31 (1 bit)
access : read-write
Enumeration:
#0 : 0
No self-ACK
#1 : 1
Self-ACK when LBME=1
End of enumeration elements list.
CAN interrupt enable/disable and flag control register 1
address_offset : 0xA4 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0
TSFF : Transmit Secondary Buffer full flag
bits : 0 - 0 (1 bit)
access : read-write
Enumeration:
#0 : 0
The STB is not filled with the maximal number of messages
#1 : 1
The STB is filled with the maximal number of messages
End of enumeration elements list.
EIE : Error Interrupt Enable
bits : 1 - 1 (1 bit)
access : read-write
Enumeration:
#0 : 0
Disabled
#1 : 1
Enabled
End of enumeration elements list.
TSIE : Transmit Secondary Interrupt Enable
bits : 2 - 2 (1 bit)
access : read-write
Enumeration:
#0 : 0
Disabled
#1 : 1
Enabled
End of enumeration elements list.
TPIE : Transmit Primary Interrupt Enable
bits : 3 - 3 (1 bit)
access : read-write
Enumeration:
#0 : 0
Disabled
#1 : 1
Enabled
End of enumeration elements list.
RAFIE : RB Almost Full Interrupt Enable
bits : 4 - 4 (1 bit)
access : read-write
Enumeration:
#0 : 0
Disabled
#1 : 1
Enabled
End of enumeration elements list.
RFIE : RB Full Interrupt Enable
bits : 5 - 5 (1 bit)
access : read-write
Enumeration:
#0 : 0
Disabled
#1 : 1
Enabled
End of enumeration elements list.
ROIE : RB Overflow Interrupt enable
bits : 6 - 6 (1 bit)
access : read-write
Enumeration:
#0 : 0
Disabled
#1 : 1
Enabled
End of enumeration elements list.
RIE : Receive Interrupt enable
bits : 7 - 7 (1 bit)
access : read-write
Enumeration:
#0 : 0
Disabled
#1 : 1
Enabled
End of enumeration elements list.
AIF : Abort Interrupt Flag
bits : 8 - 8 (1 bit)
access : read-write
Enumeration:
#0 : 0
No abort has been executed
#1 : 1
After setting TPA or TSA the appropriated message(s) have been aborted
End of enumeration elements list.
EIF : Error Interrupt Flag
bits : 9 - 9 (1 bit)
access : read-write
Enumeration:
#0 : 0
There has been no change
#1 : 1
The border of the error warning limit has been crossed in either direction,or the BUSOFF bit has been changed in either direction
End of enumeration elements list.
TSIF : Transmission Secondary Interrupt Flag
bits : 10 - 10 (1 bit)
access : read-write
Enumeration:
#0 : 0
No transmission of the STB has been completed successfully
#1 : 1
The requested transmission of the STB has been successfully completed
End of enumeration elements list.
TPIF : Transmission Primary Interrupt Flag
bits : 11 - 11 (1 bit)
access : read-write
Enumeration:
#0 : 0
No transmission of the PTB has been completed
#1 : 1
The requested transmission of the PTB has been successfully completed
End of enumeration elements list.
RAFIF : RB Almost Full Interrupt flag
bits : 12 - 12 (1 bit)
access : read-write
Enumeration:
#0 : 0
number of filled RB slots more than or equal AFWL_i
#1 : 1
number of filled RB slots less than AFWL_i
End of enumeration elements list.
RFIF : RB Full Interrupt flag
bits : 13 - 13 (1 bit)
access : read-write
Enumeration:
#0 : 0
The RB FIFO is not ful
#1 : 1
All RBs are full. If no RB will be released until the next valid message is received,the oldest message will be lost
End of enumeration elements list.
ROIF : RB Overflow Interrupt flag
bits : 14 - 14 (1 bit)
access : read-write
Enumeration:
#0 : 0
No RB overwritten
#1 : 1
At least one received message has been overwritten in the RB
End of enumeration elements list.
RIF : Receive Interrupt flag
bits : 15 - 15 (1 bit)
access : read-write
Enumeration:
#0 : 0
No frame has been received
#1 : 1
Data or a remote frame has been received and is available in the receive buffer
End of enumeration elements list.
BEIF : Bus Error Interrupt flag
bits : 16 - 16 (1 bit)
access : read-write
BEIE : Bus Error Interrupt Enable
bits : 17 - 17 (1 bit)
access : read-write
ALIF : Arbitration Lost Interrupt Flag
bits : 18 - 18 (1 bit)
access : read-write
ALIE : Arbitration Lost Interrupt Enable
bits : 19 - 19 (1 bit)
access : read-write
EPIF : Error Passive Interrupt Flag
bits : 20 - 20 (1 bit)
access : read-write
EPIE : Error Passive Interrupt Enable
bits : 21 - 21 (1 bit)
access : read-write
EPASS : Error Passive Mode Active enable bit
bits : 22 - 22 (1 bit)
access : read-only
Enumeration:
#0 : 0
Not active (node is error active)
#1 : 1
Active (node is error active)
End of enumeration elements list.
EWARN : Error Warning Limit Reached
bits : 23 - 23 (1 bit)
access : read-only
Enumeration:
#0 : 0
The values in both counters are less than EWL
#1 : 1
One of the error counters RECNT or TECNT is equal or bigger than EWL
End of enumeration elements list.
EWL : Programmable Error Warnig Limit
bits : 24 - 27 (4 bit)
access : read-write
AFWL : Receive Buffer Almost Full Warning Limit
bits : 28 - 31 (4 bit)
access : read-write
Normat CAN baudrate configuration register
address_offset : 0xA8 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0
S_SEG_1 : Bit Timing Segment 1
bits : 0 - 7 (8 bit)
access : read-write
S_SEG_2 : Bit Timing Segment 2
bits : 8 - 14 (7 bit)
access : read-write
S_SJW : Synchronization Jump Width
bits : 16 - 22 (7 bit)
access : read-write
S_PRESC : Prescaler
bits : 24 - 31 (8 bit)
access : read-write
FAST CAN(CAN_FD) baudrate configuration register
address_offset : 0xAC Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0
f_SEG_1 : Bit Timing Segment 1
bits : 0 - 7 (8 bit)
access : read-write
f_SEG_2 : Bit Timing Segment 2
bits : 8 - 14 (7 bit)
access : read-write
f_SJW : Synchronization Jump Width
bits : 16 - 22 (7 bit)
access : read-write
f_PRESC : Prescaler
bits : 24 - 31 (8 bit)
access : read-write
CAN error type and transmit/receive error conunter register
address_offset : 0xB0 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0
ALC : Arbitration Lost Capture
bits : 0 - 4 (5 bit)
access : read-only
KOER : Kind of Error
bits : 5 - 7 (3 bit)
access : read-only
Enumeration:
#0000 : 0000
No error
#001 : 001
Bit error
#010 : 010
Form error
#011 : 011
Stuff error
#100 : 100
Acknowledge error
#101 : 101
CRC error
#1100 : 110
Other error
#111 : 111
Not used
End of enumeration elements list.
SSPOFF : Second Sample Point Offset
bits : 8 - 14 (7 bit)
access : read-write
TDCEN : Transmitter Delay Compensation Enable
bits : 15 - 15 (1 bit)
access : read-write
RECNT : Receive Error Count
bits : 16 - 23 (8 bit)
access : read-only
TECNT : Transmit Error Count
bits : 24 - 31 (8 bit)
access : read-only
Acceptance Filter Control Register
address_offset : 0xB4 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0
ACFADR : Acceptance filter address
bits : 0 - 3 (4 bit)
access : read-write
SELMASK : Select Acceptance MASK
bits : 5 - 5 (1 bit)
access : read-write
Enumeration:
#0 : 0
Registers ACF_x point to acceptance code
#1 : 1
Registers ACF_x point to acceptance mask
End of enumeration elements list.
TIMEEN : TIME-stamping Enable
bits : 8 - 8 (1 bit)
access : read-write
Enumeration:
#0 : 0
Disabled
#1 : 1
Enabled
End of enumeration elements list.
TIMEPOS : TIME-stamping Position
bits : 9 - 9 (1 bit)
access : read-write
Enumeration:
#0 : 0
SOF
#1 : 1
EOF
End of enumeration elements list.
ACFEN : Acceptance Filter Enable
bits : 16 - 31 (16 bit)
access : read-write
Acceptance Code Register
address_offset : 0xB8 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0
ACODE : Acceptance Code
bits : 0 - 28 (29 bit)
access : read-write
AIDE : Acceptance Mask IDE Bit value
bits : 29 - 29 (1 bit)
access : read-write
Enumeration:
#0 : 0
Acceptance filter accepts only extended frames
#1 : 1
Acceptance filter accepts only extended frames
End of enumeration elements list.
AIDEE : Acceptance Mask IDE bit check enable
bits : 30 - 30 (1 bit)
access : read-write
Enumeration:
#0 : 0
Acceptance filter accepts both standard or extended frames
#1 : 1
Acceptance filter accepts either standard or extended as defined by AIDE
End of enumeration elements list.
Version Information Register 0
address_offset : 0xBC Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0
VERSION : Version of CAN-CTRL
bits : 0 - 15 (16 bit)
access : read-only
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