cx81801-7x/8x smartv.xx modem 数据 薄板
102199B
Conexant
iii
内容
1.
介绍..........................................................................................................................................1-1
1.1
Overview......................................................................................................................................................................... 1-1
1.2
Applications .................................................................................................................................................................... 1-2
1.3
特性 .......................................................................................................................................................................... 1-4
1.3.1
一般 模式m 特性................................................................................................................................ 1-4
1.3.2
SmartDAAFeatures ........................................................................................................................................ 1-5
1.3.3
Applications.................................................................................................................................................... 1-5
1.4
技术的 overview......................................................................................................................................................... 1-6
1.4.1
一般 descripti在 ........................................................................................................................................ 1-6
1.4.2
mcu firmware................................................................................................................................................ 1-6
1.4.3
运行模式 ............................................................................................................................................ 1-6
1.4.3.1
数据/传真 模式.......................................................................................................................... 1-6
1.4.3.2
v.44 数据 compressi在.............................................................................................................. 1-7
1.4.3.3
worldwide 运算限定.................................................................................................................. 1-7
1.4.3.4
tam 模式.................................................................................................................................. 1-8
1.4.3.5
speakerphone 模式 (s模型)................................................................................................ 1-9
1.4.4
涉及 设计.......................................................................................................................................... 1-9
1.5
硬件 description ..................................................................................................................................................... 1-9
1.5.1
cx81801 modemDevice................................................................................................................................ 1-9
1.5.2
数字的 分开 barrier................................................................................................................................. 1-10
1.5.3
cx20493 smartdaa 线条一侧Device.......................................................................................................... 1-10
1.5.4
cx20442 voiceCodec .................................................................................................................................. 1-10
1.6
在 commands .............................................................................................................................................................. 1-10
2.
技术的 规格 .......................................................................................................................2-1
2.1
串行 dte interface operation........................................................................................................................................ 2-1
2.1.1
自动 速/format 感觉到 .................................................................................................................. 2-1
2.2
并行的 host 总线 接口 运作............................................................................................................................. 2-2
2.3
establishing 数据modem connections .......................................................................................................................... 2-2
2.3.1
Dialing ............................................................................................................................................................ 2-2
2.3.2
电话 号码直接ory.......................................................................................................................... 2-2
2.3.3
modem handshaking protocol ....................................................................................................................... 2-2
2.3.4
call progress 声调发现ion ......................................................................................................................... 2-2
2.3.5
answer 声调发现ion................................................................................................................................... 2-2
2.3.6
环绕 发现................................................................................................................................................ 2-2
2.3.7
billing protection ............................................................................................................................................ 2-3
2.3.8
连接speeds......................................................................................................................................... 2-3
2.3.9
Automode....................................................................................................................................................... 2-3
2.4
数据 模式 ...................................................................................................................................................................... 2-4
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