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)： 22/73頁
文件大?。?/td> 434K
代理商： KS8701
KS8701
Host-to-Decoder Packet Descriptions
FLEX
TM
Roaming Decoder II
21
CONTROL PACKET
The Control Packet defines a number of different control bits for the KS8701. The ID of the Control Packet is 2.
Table 5: Control Packet Bit Assignments
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Byte 3
0
0
0
0
0
0
1
0
Byte 2
FF
7
0
FF
6
SPM
FF
5
PS
1
0
FF
4
PS
0
MTC
FF
3
0
FF
2
0
FF
1
0
FF
0
0
Byte 1
Byte 0
0
SBI
0
0
EAE
ON
FF:
Force Frame 0-7. These bits enable and disable forcing the KS8701 to look in frames 0 through 7.
When an
FF
bit is set, the KS8701 will decode the corresponding frame. Unlike the
AF
bits in the
Frame Assignment Packets, the system collapse of a FLEX system will not affect frames assigned
using the
FF
bits (e.g. Where as setting
AF
0
to 1 when the system collapse is 5 will cause the KS8701
to decode frames 0, 32, 64, and 96, setting
FF
0
to 1 when the system collapse is 5 will only cause the
KS8701 to decode frame 0.). This may be useful for acquiring transmitted time information or channel
attributes (e.g. Local ID). (value after reset =0)
SPM:
Single Phase Mode. When this bit is set, the KS8701 will decode only one phase of the transmitted
data. When this bit is clear, the KS8701 will decode all of the phases it receives. A change to this bit
while the KS8701 is on, will not take affect until the next block 0 of the next decoded frame. (value after
reset =0)
PS:
Phase Select. When the
SPM
bit is set, these bits define what phase the KS8701 should decode
according to the following table. This value is determined by the service provider. A change to these
bits while the KS8701 is on, will not take affect until the next block 0 of a frame. (value after reset =0)
PS Value
Phase Decoded
(based on FLEX Data Rate)
PS
1
PS
0
1600bps
3200bps
6400bps
0
0
a
a
a
0
1
a
a
b
1
0
a
c
c
1
1
a
c
d
SBI:
Send Block Information words 2-4. When this bit is set, any errored or time related block information
words 2-4 will be sent to the host. See
“
Block Information Word Packet
”
on page39 for a description of
the words sent. (value after reset=0)
MTC:
Minute Timer Clear. Setting this bit will cause the one minute timer to restart from 0.
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