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參數(shù)資料
| 型號(hào)： | S5T8701 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | FLEX ROAMING DECODER II |
| 中文描述： | FleX創(chuàng)建漫游解碼器二 |
| 文件頁(yè)數(shù)： | 63/70頁(yè) |
| 文件大小： | 506K |
| 代理商： | S5T8701 |
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S5T8701
FLEX
TM
ROAMING DECODER II
63
USING THE RECEIVER SHUTDOWN PACKET
Calculating Time Left
The receiver shutdown packet gives timing information to the host. Two times are of particular interest when
implementing a roaming algorithm.
Time To Warm Up Start. Defined as the amount of time there is before the receiver will start to warm up (i.e.
transition from the off state to the first warm up state).
Time To Tasks Disabled. Defined as the amount of time the host has to complete any host initiated tasks
(e.g. by setting
SND
or
SAS
in the roaming control packet).
The formula's for calculating these times depend on whether the S5T8701 is in synchronous mode or
asynchronous mode.
SYNCHRONOUS MODE:
Time To Warm Up Start
ˉ
(TNF
·
80ms) + (Skipped Frames
·
1874.375ms) + Receiver Off Time - 167.5ms
Time To Tasks Disabled
ˉ
(TNF
·
80ms) + (Skipped Frames
·
1874.375ms)
- 247.5ms
ASYNCHRONOUS MODE:
Time To Warm Up Start
ˉ
((TNF - 2)
·
80ms) + Receiver Off Time
Time To Tasks Disabled
ˉ
((TNF - 3)
·
80ms)
Where,
TNF:
Time to Next Frame. Value from the receiver shutdown packet.
Skipped Frames: The number of frames that won't be decoded. This can be calculated from the Current Frame
(
CF
) and Next Needed Frame (
NAF
) fields in the receiver shutdown packet (e.g. If
CF
is 10 and
NAF
is 12, then
Skipped Frames
is 1)
Receiver Off Time
: The time programmed in the receiver off setting packet.
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PDF描述 |
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| S5T8702X01-E0R0 | FEEX ALPHANUMERIC DECODER II |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S5T8701X01-E0R0 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:FLEX ROAMING DECODER II |
| S5T8702 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:FEEX ALPHANUMERIC DECODER II |
| S5T8702X01-E0R0 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:FEEX ALPHANUMERIC DECODER II |
| S5T8803A | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:10 CH PLL |
| S5T8803A01-D0B0 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:10 CH PLL |
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