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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)： | 27/73頁 |
| 文件大?。?/td> | 434K |
| 代理商： | KS8701 |
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Host-to-Decoder Packet Descriptions
KS8701
26
FLEX
TM
Roaming Decoder II
RSP:
Receiver Shutdown Packet enable. When this bit is set, a Receiver Shutdown Packet will be sent
whenever the receiver is shut down. The receiver shutdown packet informs the host that the receiver
shutdown, and how long it will be before the KS8701 will automatically warm the receiver back up.
(value after reset=0)
SND:
Start Noise Detect. Setting this bit while the KS8701 is battery saving will cause it to warm-up the
receiver, run a noise detect, and report the result of the noise detect via
NDR
in the Roaming Status
Packet. This bit is set by the host, and cleared by the KS8701 once it has been processed. If the time
comes for the KS8701 to warm up for automatically or the
SAS
bit is set while an
SND
is being
processed, the noise detect will be abandoned and the abandoned noise detect result (
NDR
=01) will
be sent in the Roaming Status Packet. (value after reset=0)
CND:
Continuous Noise Detect. Setting this bit will cause the KS8701 to do continuous noise detects during
the decoded block data of a frame. The results of the noise detect will only be reported if noise is
detected (
NDR
=11). Only one noise detected result (
NDR
=11) will be sent per block. If the KS8701
has not completed a noise detect when it shuts down for the frame, that noise detect will be
abandoned, but no abandon result (
NDR
=01) will be sent. This bit is set and cleared by the host.
(value after reset=0)
RND:
Report Noise Detects. Setting this bit will cause the KS8701 to report the results of the noise detects it
does under normal asynchronous operation (when first turned on and when asynchronous). The
results of the noise detect will be reported via
NDR
in the Roaming Status Packet. This bit is set and
cleared by the host. (value after reset=0)
ABI:
All Block Information words. When this bit is set, the KS8701 will send all received Block Information
words 2-4 to the host. Note: Setting the
SBI
bit in the Control Packet only enables errored and real
time clock related block info words. (value after reset=0)
SAS:
Start A-word Search. Setting this bit while in asynchronous battery save mode will cause the KS8701
to warm-up the receiver and run an A-word search. If, during the A-word search, the KS8701 finds
sufficient FLEX signal, it will enter synchronous mode and start decoding the frame. If the A-word
search times-out without finding sufficient FLEX signal, it will battery save and continue doing periodic
noise detects. The time-out for the A-word searches is controlled by the
AST
bits in the Timing Control
Packet and the
MOT
bit in the Configuration Packet. The A-word search takes priority over noise
detects. Therefore, if the KS8701 is performing an A-word search and the time comes to do automatic
noise detect, the noise detect will not be performed. This bit is set by the host, and cleared by the
KS8701 once it has been acted on. (value after reset=0)
DAS:
Disable A-word Search. When this bit is set, an A-word search will not automatically occur after a noise
detect in asynchronous mode finds FLEX signal. This includes automatic noise detects and noise
detects initiated by the host by setting
SND
. The KS8701 will shut down the receiver after the noise
detect completes regardless of the result. When this bit is cleared, A-word searches will occur after a
noise detect finds signal in asynchronous mode. (value after reset=0)
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