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)： 53/70頁(yè)
文件大?。?/td> 506K
代理商： S5T8701
S5T8701
FLEX
TM
ROAMING DECODER II
53
Receiver
control
line setting
Off
Warm up
setting 1
Warm up
setting 2
Warm up
setting 3
Warm up
setting 4
Warm up
setting 5
1600sps or 3200sps
sync setting
Warm up
off time
Warm up
time 1
Warm up
time 2
Warm up
time 3
Warm up
time 4
Warm up
time 5
Possible
LOBAT
check
Possible
LOBAT
check
Possible
LOBAT
check
Possible
LOBAT
check
Possible
LOBAT
check
Possible
LOBAT
check
EXTS1 &
EXTS0 signals
are expected to
be valid here
160 ms
Figure 11: Automatic Receiver Warm Up Sequence
HOST INITIATED RECEIVER WARM UP SEQUENCE
The host can cause the S5T8701 to warm-up the receiver in three ways: (1) by turning on S5T8701 by setting the
ON
bit in the control packet; (2) by requesting a noise detect by setting the
SND
bit in the roaming control packet;
or (3) by requesting an A-word search by setting the
SAS
bit in the roaming control packet. When the S5T8701
warms up the receiver in response to a host request, the first warm up setting, if enabled, is applied to the
receiver control lines for the amount of time programmed for that setting. Each subsequent warm up setting is
applied to the receiver control lines for their corresponding time until a disabled warm up setting is found. Once a
disabled warm up setting is found, the
"
3200sps Sync Setting
"
(for
ON
and
SND
warm ups) or the
"
1600sps Sync
Setting
"
(for
SAS
warm ups) is applied to the receiver control lines and the decoder does not expect valid signal
until after the
"
3200sps Sync Warm Up Time
"
(for
ON
,
SND
, and
SAS
warm ups) has expired. In figure 12 on
page 56 the receiver warm up sequence when the host initiates a warm-up sequence and when all warm up
settings are enabled is shown.
Receiver
control
line setting
Off
Warm up
setting 1
Warm up
setting 2
Warm up
setting 3
Warm up
setting 4
Warm up
setting 5
3200sps
sync setting
Warm up
time 1
Warm up
time 2
Warm up
time 3
Warm up
time 4
Warm up
time 5
Possible
LOBAT
check
Possible
LOBAT
check
Possible
LOBAT
check
Possible
LOBAT
check
Possible
LOBAT
check
Possible
LOBAT
check
EXTS1 &
EXTS0 signals
are expected to
be valid here
3200sps
sync warm
up time
Figure 12: Host Initiated Receiver Warm Up Sequence
相關(guān)PDF資料
PDF描述
S5T8702 FEEX ALPHANUMERIC DECODER II
S5T8702X01-E0R0 FEEX ALPHANUMERIC DECODER II
S5T8803A01-D0B0 DIODE ZENER SINGLE 500mW 30Vz 4.2mA-Izt 0.05 0.1uA-Ir 23 SOD-123 3K/REEL
S5T8803A01-S0B0 DIODE ZENER SINGLE 200mW 30Vz 4.2mA-Izt 0.05 0.1uA-Ir 23 SOD-323 3K/REEL
S5T8803A 10 CH PLL
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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