參數(shù)資料
型號(hào): TSS461F
廠商: Atmel Corp.
英文描述: VAN Data Link Controller
中文描述: 凡數(shù)據(jù)鏈路控制器
文件頁(yè)數(shù): 29/57頁(yè)
文件大?。?/td> 397K
代理商: TSS461F
29
7615A–AUTO–02/06
TSS461F
Table 8.
Diagnosis System Status Bits
Sc: As soon as one of the three inputs (RXD2, RXD1, RXD0) differs from the others in the
input comparison analysis perform by the diagnosis system, S2 is set.
The only way to reset this status bit is through the RI signal or a general reset.
TXG: Transmitting
If this status bit is active, it indicates that the TSS461F has chosen an identifier to transmit, and
it will continue to make transmission attempts for this message until it succeeds or the retry
count is exceeded.
RXG: Receiving
The receiving indicates that there is activity on the bus.
Note:
For safe modification of active channel registers both bits should be inactive (except "abort"
command).
Transmission Status Register (0x05)
Read only register.
Default value after reset: 0x00.
The transmission Status register contains the number of retries made up-to-date, according
to Table 3, and the channel currently in transmission.
NRT [3:0]: Number of
Retries Done in
Transmission
IDT [3:0]: Channel
Number Currently in
Transmission
Last Message Status Register (0x06)
Read only register.
Default value after reset: 0x00.
This register is the same as the transmission status register. It contains the last identifier
number that was successfully transmitted, received or exceeded its retry count.
If it was a successful transmission, the number of retries performed can be seen in this
register as well.
Sb
Sa
Communication Indication
0
0
Nominal mode, differential communication
0
1
Degraded over DATA, fault on DATA
1
0
Degraded over DATA, fault on DATA
1
1
Major error, fault on DATA and DATA
7
6
5
4
3
2
1
0
NRT3
NRT2
NRT1
NRT0
IDT3
IDT2
IDT1
IDT0
7
6
5
4
3
2
1
0
NRTR3
NRTR2
NRTR1
NRTR0
IDTR3
IDTR2
IDTR1
IDTR0
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參數(shù)描述
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