TSS463 ATMEL Corporation, TSS463 Datasheet - Page 34

• Manufacturer Part Number: TSS463
• Description: VAN Data Link Controller with Serial Interface
• Manufacturer: ATMEL Corporation

Interrupt Status Register
(0x09)
RST: Reset Interrupt
TE: Transmit Error Status Flag
(or Exceeded Retry)
TOK: Transmit OK status flag
34
TSS463B
Figure 24. 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.
One: Status flag activated
Zero: No status flag.
This flag is set only when the Max number of transmission (1 + MR [3:0]) is reached with
error of transmission.
One: Status flag activated
Zero: No status flag.
Figure 25. Exceeded Retry with MR[3..0] = 3
One: Status flag activated
Zero: No status flag.
RST
Read only register.
Default value after reset: 1xx0 0000
7
X
6
Expected
Received
Received
Received
Expected
Received
Received
Received
1st TX
X
5
EOD field
EOD field
2nd TX
DLC: Consumer
TE
4
3rd TX
ACK field
ACK field
TOK
3
set TE
set CHER
set CHTx
RE
FV = 0
FV = 1
FV = 1
FV = 1
FV = 0
FV = 1
FV = 1
FV = 1
2
ROK
1
4102E–AUTO–12/04
RNOK
0