CMX865 参数 Datasheet PDF下载

FSK调制解调器和DTMF编解码器

CMX865

目录

部分

1.

2.

3.

4.

页面

简要说明................................................ ..................................... 1

框图................................................ ......................................... 3

信号列表................................................ ................................................ 4

外部元件................................................ ............................. 5

4.1

环检测器接口............................................... .............. 6

4.2

线路接口................................................ .............................. 7

概述................................................ .............................. 10

5.1

TX USART ................................................ .................................. 11

5.2

FSK调制器................................................ ......................... 12

5.3

TX滤波器和均衡器.............................................. .............. 12

5.4

DTMF /音频发生器.............................................. ............... 12

5.5

TX电平控制和输出缓冲器....................................... 12

5.6

接收DTMF /音调检测器............................................. ......... 13

5.7

Rx调制解调器滤波和调制解调................................. 14

5.8

Rx调制解调器模式检测.............................................. .... 14

5.9

接收数据寄存器和USART ............................................. .... 15

5.10

C- BUS接口.............................................. .......................... 16

5.10.1总复位命令........................................... 16

5.10.2一般控制寄存器........................................... 18

5.10.3发送模式寄存器............................................ 20

5.10.4接收模式寄存器............................................ ... 23

5.10.5发送数据寄存器............................................ .............. 25

5.10.6接收数据寄存器............................................ ............. 25

5.10.7状态寄存器............................................. ............... 26

5.10.8编程注册............................................. .. 29

应用说明................................................ ................................. 32

性能规范................................................ ................... 33

7.1

电气性能................................................ ............ 33

7.1.1绝对最大额定值....................................... 33

7.1.2操作限制............................................. ............ 33

7.1.3工作特性.......................................... 34

7.2

包装................................................. ................................ 41

5.

6.

7.

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