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參數(shù)資料
| 型號： | PCD5013 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | FLEX roaming decoder II |
| 中文描述： | FleX創(chuàng)建漫游解碼器二 |
| 文件頁數(shù)： | 23/76頁 |
| 文件大?。?/td> | 270K |
| 代理商： | PCD5013 |
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1999 Apr 12
23
Philips Semiconductors
Product specification
FLEX
roaming decoder II
PCD5013
SND:
start noise detect (Table 13). Setting this bit while
the PCD5013 is battery saving causes 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 PCD5013
once it has been processed. If the time comes for the
PCD5013 to warm-up automatically or the SAS bit is set
while an SND is being processed, the noise detect is
abandoned and the abandoned noise detect result
(NDR = 01) is sent in the Roaming Status Packet. Value
after reset = 0.
CND:
continuous noise detect (Table 13). Setting this bit
causes the PCD5013 to do continuous noise detects
during the decoded block data of a frame. The results of
the noise detect is only reported if noise is detected
(NDR = 11). Only one noise detected result (NDR = 11) is
sent per block. If the PCD5013 has not completed a noise
detect when it shuts down for the frame, that noise detect
is abandoned, but no abandon result (NDR = 01) is sent.
This bit is set and cleared by the host. Value after
reset = 0.
RND:
report noise detects (Table 13). Setting this bit
causes the PCD5013 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 is 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 (Table 13). When this bit
is set, the PCD5013 sends 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 (Table 13). Setting this bit while
in asynchronous battery save mode causes the PCD5013
to warm-up the receiver and run an A-word search.
If, during the A-word search, the PCD5013 finds sufficient
FLEX
signal, it enters synchronous mode and start
decoding the frame. If the A-word search times-out without
finding sufficient FLEX
signal, it enters a battery save
mode 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 PCD5013 is
performing an A-word search and the time comes to do
automatic noise detect, the noise detect is not performed.
This bit is set by the host, and cleared by the PCD5013
once it has been acted on. Value after reset = 0.
MFC:
missed frame control (Tables 14 and 13). These bits
control the frames for which missing frame data (MS1,
MFI, MS2, MBI, and MAW) is reported in the Roaming
Status Packet. Value after reset = 0.
Table 14
Missed Frame Control (MFC bits)
MCO:
maximum carry on (Table 13). The value of these
bits sets the maximum carry on that the PCD5013 follows.
For example, if the PCD5013 receives a carry on of 3 over
the air and MCO is set to 1, the PCD5013 only carries on
for one frame. Value after reset = 3.
DAS:
disable A-word search (Table 13). When this bit is
set, an A-word search does 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 PCD5013 shuts
down the receiver after the noise detect completes
regardless of the result. When this bit is cleared, A-word
searches occur after a noise detect finds signal in
asynchronous mode. Value after reset = 0.
MFC
1
0
0
1
1
MFC
0
0
1
0
1
MISSING FRAME DATA REPORTED
never
only during frames 0 through 3
only during frames 0 through 7
always
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| PCD5032D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Linear CODEC |
| PCD5032H | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:ADPCM CODEC for digital cordless telephones |
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