TSS461 ATMEL Corporation, TSS461 Datasheet - Page 32

• Manufacturer Part Number: TSS461
• Description: VAN Data Link Controller
• Manufacturer: ATMEL Corporation

FV: Frame Violation
Interrupt Status Register (0x09)
RST: Reset interrupt
TE: Transmit Error
Status Flag (or
Exceeded Retry)
32
TSS461E
FV indicates a physical violation or collision on ACK field of the frame when the TSS463 is
consumed.
One: FV active
Zero: FV inactive
Figure 19. FV Status Bit
•
•
RE indicates that the circuit has detected a valid reset command via the RESET pin or the reset
command bit GRES. This interrupt cannot be disabled, since its enable bit is set when a reset is
detected.
This flag is set only when the Max number of transmission (1+MR [3:0]) is reached with error of
transmission.
Figure 20. Exceeded retry with MR[3.0] = 3
expected
received
received
received
expected
received
received
received
1st TX
Read only register.
Default value after reset: 0×80
RST
EOD field
EOD field
7
2nd TX
DLC: Consumer
6
0
3rd TX
ACK field
ACK field
5
0
set TE
set CHER
set CHTx
FV = 0
FV = 1
FV = 1
FV = 1
FV = 0
FV = 1
FV = 1
FV = 1
TE
4
TOK
3
RE
2
ROK
1
4194C–AUTO–01/06
RNOK
0