参数资料
型号: TSS461E
厂商: Atmel Corp.
英文描述: VAN Data Link Controller
中文描述: 凡数据链路控制器
文件页数: 32/57页
文件大小: 817K
代理商: TSS461E
32
TSS461E
4194B–AUTO–12/04
FV: Frame Violation
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
Interrupt Status Register (0x09)
Read only register.
Default value after reset: 0
×
80
RST: Reset interrupt
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.
TE: Transmit Error Status Flag
(or Exceeded Retry)
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
FV = 0
FV = 1
FV = 1
FV = 1
FV = 0
FV = 1
FV = 1
FV = 1
EOD field
ACK field
EOD field
ACK field
expected
received
received
received
expected
received
received
received
DLC: Consumer
7
6
5
4
3
2
1
0
RST
0
0
TE
TOK
RE
ROK
RNOK
1st TX
2nd TX
3rd TX
set TE
set CHER
set CHTx
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