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Austria Mikro Systems
AMSCO[austriamicrosystems AG]
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| Part No. |
AS2525
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| OCR Text |
...onal AG
Key Features
q Line/speech handsfree circuit, LD/MF repertory dialler, and tone ringer on one 44 pin CMOS chip q Operating range...melody RECV V SS - + VOICE SWITCHING V PP LO1 M2 CBN FT1 M1 V DD
30
LI
AS2525
V DD
V... |
| Description |
Single-Chip Handsfree Phone CMOS Integrated Circuit
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| File Size |
260.89K /
26 Page |
 View
it Online |
Download Datasheet
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Atmel Corp
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| Part No. |
U4091BMNBSP U4091BM
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| OCR Text |
...d fax machines. It contains the speech circuit, tone-ringer interface with DC/DC converter, sidetone equivalent and ear-protection rectifier...melody Filter Offset canceler MUX
MIC
Figure 1. Detailed block diagram
22
40
Ringing po... |
| Description |
Multi-standard feature phone IC, bus controlled
From old datasheet system
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| File Size |
298.18K /
32 Page |
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it Online |
Download Datasheet |
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OKI electronic components
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| Part No. |
MSM7502
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| OCR Text |
...e device consists of the analog speech paths directly connectable to a handset, the calling circuit directly connectable to a piezosounder, ...melody IC is connected to this pin. Through processor control, the signal applied to MLDYI is output... |
| Description |
From old datasheet system
Multi-Function PCM CODEC
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| File Size |
193.07K /
35 Page |
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it Online |
Download Datasheet |
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holtek
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| Part No. |
HT86192 HT86768 86XXX
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| OCR Text |
... beats, tone levels, tempos for speech synthesizer and melody generator. It has a single built-in high quality, D/A output. There is an external interrupt which can be triggered with falling edge pulse or falling/rising edge pulse. The HT86... |
| Description |
8-Bit Voice Synthesizer MCU
From old datasheet system
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| File Size |
282.99K /
36 Page |
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it Online |
Download Datasheet |
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Holtek Microelectronics Inc
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| Part No. |
HT9302A18DIP HT9302A_18DIP
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| OCR Text |
.... The XMUTE is used to mute the speech circuit when transmitting the dial signal. This pin is used to monitor the status of the hook-switch ...melody generator to produce a hold-line background melody. Refer to the functional description for t... |
| Description |
Telephone Dialer - Datasheet Reference
From old datasheet system
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| File Size |
290.39K /
22 Page |
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it Online |
Download Datasheet |
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