參數(shù)資料
型號： KS8701
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： FLEXTM Roaming Decoder II
中文描述： FLEXTM漫游解碼器二
文件頁數(shù)： 63/73頁
文件大?。?/td> 434K
代理商： KS8701
Appendix A: Application Notes
KS8701
62
FLEX
TM
Roaming Decoder II
l
When the host receives a Message Packet with the Message Continued Flag
“
C
”
= 0, it will send two All
Frame Mode Packets to the KS8701 with the
“
DAF
”
bit = 1. The two packets decrement the count for
the first fragment and the last fragment. This decrements the all frame counter to zero, if no other
fragmented messages, temporary addresses are pending and the
FAF
bit is clear in the All Frame Mode
Register, the KS8701 returns to normal operation.
l
The above process must be repeated for each occurrence of a fragmented message. The host must
keep track of the number of fragmented messages being decoded and insure the all frame mode
counter decrements after each fragment or after each fragmented message.
Table 32: Alphanumeric Message without fragmentation
PACKET
PACKET TYPE
PHASE
All Frame
Counter
COMMENT
1st
2nd
ADDRESS 1
VECTOR 1
A
A
0
1
Address 1 is received
Vector = Alphanumeric Type
Message Word received
“
C
”
bit = 0, No more
fragments are expected.
Host writes All Frame Mode Packet to the KS8701
with the
“
DAF
”
bit = 1
3rd
MESSAGE
A
1
4th
Variable
a
0
a.
Host Initiated Packet. The KS8701 returns a packet according to
“
Decoder-to-Host Packet Descriptions
”
on page 38.
Table 33: Alphanumeric Message with fragmentation
PACKET
PACKET TYPE
PHASE
All Frame
Counter
COMMENT
1st
2nd
ADDRESS 1
VECTOR 1
A
A
0
1
Address 1 is received
Vector = Alphanumeric Type
Message Word received
“
C
”
bit = 1, Message is
fragmented, more expected
End of Frame Indication (
EOF
= 1)
Address 1 is received
Vector = Alphanumeric Type
Message Word received
“
C
”
bit = 1, Message is
fragmented, more expected.
Host writes All Frame Mode Packet to the KS8701
with the
“
DAF
”
bit = 1
End of Frame Indication (
EOF
= 1 )
3rd
MESSAGE
A
1
4th
5th
6th
STATUS
ADDRESS 1
VECTOR 1
1
1
2
B
B
7th
MESSAGE
B
2
8th
Variable
a
1
9th
STATUS
1
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