參數(shù)資料
型號(hào)： PCD3332-SP
廠商： NXP SEMICONDUCTORS
元件分類： 無(wú)繩電話/電話
英文描述： Multistandard pulse/tone repertory diallers/ringers
中文描述： TELEPHONE MULTIFUNCTION CKT, PDIP28
封裝： 0.600 INCH, PLASTIC, MO-015AH, SOT-117-1, DIP-28
文件頁(yè)數(shù)： 15/32頁(yè)
文件大?。?/td> 154K
代理商： PCD3332-SP
1997 Jan 13
15
Philips Semiconductors
Product specification
Multistandard pulse/tone repertory
diallers/ringers
PCD3332-2; PCD3332-3;
PCD3332-S
5.2.2.11
Flash Time Select
These two diodes set the calibrated flash pulse duration:
100, 115, 270 or 600 ms for the DP/FL output, when this
output is selected. When the EARTH output is selected the
earth pulse is 400 ms.
5.2.2.12
Low Frequency amplifier Enable (LFE:
PCD3332-3)
Output LFE can be used to enable the TEA108x or
TEA109x listening-in or hands-free IC. The HOOK key
functions as a toggle to control the hands-free mode
(LFE = LOW) or listening-in mode (LFE = HIGH). while in
the off-hook condition the key can be pressed and kept
down to replace the handset while saving the LFE and
DP/FL selection.
5.2.3
H
OOK MODES
Figure 9 illustrates the different HOOK modes and how
those modes are entered (PCD3332-3). For the
PCD3332-2/S only the ‘handset’ mode and ‘on-hook’
mode are valid.
Fig.9 Schematic diagram of the HOOK modes.
handbook, full pagewidth
HANDSET MODE
LFE = LOW
HF/RTE = LOW
DPFLN = HIGH
ON-HOOK MODE
LFE = LOW
HF/RTE = LOW
DPFLN = LOW
HANDS-FREE MODE
LFE = HIGH
HF/RTE = HIGH
DPFLN = HIGH
LISTENING-IN MODE
LFE = HIGH
HF/RTE = LOW
DPFLN = HIGH
cradle
cradle
cradle
Hook key
Hook key
Hook key
Hook key
Put cradle on-hook while Hook key is still
depressed then release the Hook key
MBE753
For PCD3332-2 and PCD3332-S, only the ‘handset mode’ and ‘on-hook mode’ are valid.
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PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCD3332-ST 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Multistandard pulse/tone repertory diallers/ringers
PCD3341 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Telephone Dialer
PCD3341A 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-Bit telecom microcontrollers
PCD3343 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
PCD3344 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
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