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參數(shù)資料
| 型號： | PCD5008H |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 尋呼電路 |
| 英文描述： | FLEX Pager Decoder |
| 中文描述： | TELECOM, PAGING DECODER, PQFP32 |
| 封裝： | 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC, SOT-358-1, LQFP-32 |
| 文件頁數(shù)： | 26/64頁 |
| 文件大?。?/td> | 341K |
| 代理商： | PCD5008H |
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1998 Jun 17
26
Philips Semiconductors
Product specification
FLEX
Pager Decoder
PCD5008
8.5.8
R
ECEIVER SHUT
-
DOWN SEQUENCE
The PCD5008 allows up to 3 steps associated with
shutting down the receiver. When the PCD5008 decides to
turn off the receiver, the first shut-down setting, if enabled,
is applied to the receiver control lines for the
corresponding shut-down time. At the end of the last used
shut-down time, the receiver off setting is applied to the
receiver control lines. If the first shut-down setting is not
enabled, the PCD5008 switches directly from the
receiver on to the receiver off setting.
Figure 15 shows the receiver shut-down sequence when
all shut-down settings are enabled. If the receiver is on or
being warmed up when the decoder is turned off (by
clearing the ON bit in the control packet), the PCD5008
immediately executes the receiver shut-down sequence.
If the PCD5008 is executing the shut-down sequence
when turned on (with the ON bit in the control packet set)
the PCD5008 completes the shut-down sequence before
starting the warm-up sequence.
8.5.8.1
Receiver shut-down setting packets
(ID = 1A to 1BH)
SE:
step enable (Table 21). The receiver setting is
enabled when the bit is set. If the bit is cleared then that
step in the receiver shut-down sequence is disabled and
all following steps are ignored. Value after reset = 0.
LBC:
low battery check (Table 21). If this bit is set, the
PCD5008 checks the status of the LOBAT port just before
leaving this receiver shut-down state. Value after
reset = 0.
CLS:
control line setting (Table 21). This is the value to be
output on the receiver control lines (S0 to S7) for this
receiver shut-down state. Value after reset = 0.
ST:
step time (Table 21). This sets the duration time for
receiver shut-down, until the next receiver state.
The setting is in steps of 625
μ
s. Valid values are
625
μ
s (ST = 01H) to 39.375 ms (ST = 3FH). Value after
reset = 01H.
s:
setting number, see Tables 20 and 21 for the s names
and values and location in the receiver shut-down packet.
Table 20
s names and values
s
SETTING NAME
0
1
shut-down 1
shut-down 2
Table 21
Receiver shut-down stages
BYTE
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
3
2
1
0
0
0
0
0
0
1
0
1
0
0
1
0
s
0
SE
CLS
7
0
LBC
CLS
3
ST
3
CLS
6
0
CLS
5
ST
5
CLS
4
ST
4
CLS
2
ST
2
CLS
1
ST
1
CLS
0
ST
0
Fig.15 Receiver shut-down sequence.
handbook, full pagewidth
MGK267
receiver
control
line setting
shut down
time 1
shut down
setting 1
shut down
time 2
shut down
setting 2
possible
LOBAT
check
off
possible
LOBAT
check
possible
LOBAT
check
1600 sps or 3200 sps
sync or data setting
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PCD5013 | FLEX roaming decoder II |
| PCD5013H | FLEX roaming decoder II |
| PCD5032 | ADPCM CODEC for digital cordless telephones |
| PCD5032H | ADPCM CODEC for digital cordless telephones |
| PCD5032T | ADPCM CODEC for digital cordless telephones |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCD5008HBD-T | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication Decoder |
| PCD5013 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:FLEX roaming decoder II |
| PCD5013H | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:FLEX roaming decoder II |
| PCD5032 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:ADPCM CODEC for digital cordless telephones |
| PCD5032B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Linear CODEC |
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