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參數(shù)資料
| 型號： | MSM6889 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | Multi-Function Telecommunication LSI(多功能遠(yuǎn)程通信收發(fā)LSI) |
| 中文描述： | 多功能電信大規(guī)模集成電路（多功能遠(yuǎn)程通信收發(fā)LSI）的 |
| 文件頁數(shù)： | 1/21頁 |
| 文件大?。?/td> | 159K |
| 代理商： | MSM6889 |
1/21
Semiconductor
MSM6889
GENERAL DESCRIPTION
The MSM6889 is best suited to be used as a signal transmitter/receiver LSI for a telemetering
system that employs a no-ringing communication system.
The meter terminal of a telemetering system consists of this device, meter, NCU, and
communication controller.
The MSM6889 contains a PB tone detector, a call progress tone (CPT) detector, a PB tone
generator, and a 300-bps full-duplex modem conforming to ITU-T V.21.
FEATURES
Power supply : +5 V
±
10%, +2.5 V or higher for digital interface.
Power consumption
Operating mode : 9 mA Typ., 12 mA Max.
Power down mode : 0.1 mA Max.
The operating mode can be selected from PB tone transmit, PB tone detect, and FSK modem
(answer/originate). The FSK modem cannot be operated concurrently with other functions.
Modem test modes are also available.
The call progress tone (CPT) detector operates in PB tone transmit mode or in FSK modem
mode.
PB receiver output is 3-state, and externally connectable to 4-bit input for PB tone generator
through the bus line.
Modem transmit/receive data, carrier detect, request to send, and call progress tone detect
have their dedicated pins.
Prefilter and smoothing filter are provided in analog input and output.
On-chip 3.579545 MHz crystal oscillator
3.579545 MHz master clock output pin (CMOS compatible)
Power down mode
Modem : Conforms to ITU-T V.21 (300 bps, full-duplex)
Transmit analog signals (modem signal, DTMF tone) : Level is independently adjustable
externally. Carrier detect level is also adjustable externally.
Package options:
42-pin plastic DIP
(DIP42-P-600-2.54)
56-pin plastic QFP
(QFP56-P-1519-1.00-K) (Product name : MSM6889GS–K)
(Product name : MSM6889RS)
E2A0027-16-X1
Multi-Function Telecommunication LSI
This version: Jan. 1998
Previous version: Nov. 1996
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相關(guān)代理商/技術(shù)參數(shù) |
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| MSM6889RS | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Multi-Function Telecommunication LSI |
| MSM6895 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Multi-Function PCM CODEC |
| MSM6895GS-BK | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Multi-Function PCM CODEC |
| MSM6896 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Multi-Function PCM CODEC |
| MSM6926 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:300 bps Single Chip FSK MODEM |
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