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*after Link-Initialisation/Disconnect the RCVEOP (received EOP) flag is cleared, therefore an EOP/EEP transmitted directly
after link connects is counted properly and can be read from Rx-Buffer
1
A discrepancy between the two credit-counters of 8 causes a reduced transmission rate
2
A discrepancy between the two credit-counters of more than 8 causes a deadlock situation
Scenario 2
Credit Tx
2 FCT
16
7 Data Bytes
9
1 EOP
8
1 FCT
16
1 EOP
15
7 Data Bytes
8
1 EOP
7
1 FCT
15
1 EOP
14
7 Data Bytes
7
1 EOP
6
1 FCT
14
1 EOP
13
7 Data Bytes
6
1 EOP
5
1 FCT
13
1 EOP
12
7 Data Bytes
5
SMCS332SpW
User Manual
Discr
0
0
0
0
1
1
1
1
2
2
2
2
3
3
3
2
4
4
– All Rights Reserved – Copyright per DIN 34 –
Credit SMCS332
Rx Buffer
16
9
7 Byte
8
1 EOP
16
16
9
7 Byte
8
1 EOP
16
16
9
7 Byte
8
1 EOP
16
16
9
7 Byte
8
1 EOP
16
16
9
7 Byte
EADS Astrium GmbH, ASE2
Doc No: SMCS_ASTD_UM_100
Issue:
1.4
Updated: 9-Sep-2006
Page:
111 of 131
Remark
Link Initialisation
Empty packet
Empty packet
Empty packet
Empty packet
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