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参数资料
| 型号： | CC-14.4K2-IS5 |
| 厂商： | Copeland Communications Inc |
| 文件页数： | 6/60页 |
| 文件大小： | 0K |
| 描述： | MODEM 14.4KBAUD SERIAL 5V |
| 标准包装： | 30 |
| 数据格式： | V.22，V23，V.32，Bell 103，Bell 212A |
| 波特率： | 14.4k |
| 电源电压： | 4.2 V ~ 7 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 模块 |
| 包装： | 散装 |
| 配用： | 539-1002-ND - KIT EVALUATION WORLD MODEM II |
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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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