World modem II Page 14 of 60 2004, Copeland Communications, Inc. World modem II Datasheet Rev 1.1 Power The module is powered by an ex" />
參數(shù)資料
型號(hào): CC-33K2-IS5
廠商: Copeland Communications Inc
文件頁數(shù): 6/60頁
文件大?。?/td> 0K
描述: MODEM 33KBAUD SERIAL 5V
標(biāo)準(zhǔn)包裝: 30
數(shù)據(jù)格式: V.22,V23,V.32,V.34,Bell 103,Bell 212A
波特率: 33k
電源電壓: 4.2 V ~ 7 V
安裝類型: 表面貼裝
封裝/外殼: 模塊
包裝: 散裝
配用: 539-1002-ND - KIT EVALUATION WORLD MODEM II
Data Sheet
World modem II
Page 14 of 60
2004, Copeland Communications, Inc.
World modem II Datasheet Rev 1.1
Power
The module is powered by an external 3.3 VDC source. Pins 57 and 61 are tied together internally on 3.3V
models and either or both connected to an external 3.3V supply.
On 5V models, Pin 61 ONLY can be
connected to 5V. Pin 57 may still be used if a 3.3V power supply is required and 5V models are what is
available. There is no on-board regulation of the power supply. The system needs to supply approximately 50
mA of current.
The power pin(s) should be decoupled with a good quality 0.01 F ceramic capacitor and a 1F electrolytic or
tantalum capacitor.
WARNING: ONLY connect one (1) of the power supply pins to either 3.3V or
5V on 5V models.
Connecting both pins 57 and 61 to different power
supplies WILL damage the modem and/or the system it is installed in.
See CCI Common Socket Interface Specification for more details.
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