CML Microcircuits CMX866 Manuals

Manuals and User Guides for CML Microcircuits CMX866. We have 1 CML Microcircuits CMX866 manual available for free PDF download: Manual

CML Microcircuits CMX866 Manual

CML Microcircuits CMX866 Manual (53 pages)

Modem with AT Commands

Brand: CML Microcircuits | Category: Modem | Size: 1 MB

Table of Contents

Brief Description
1
Table of Contents
2
Block Diagram
3
Signal List
4
External Components
6
- Ring Detector Interface
  8
- Line Interface
  9
- Serial Interface
  11
- RESETN Pin
  12
General Description
13
- Internal Structure
  13
- Operating States and Data Flow
  14
- Functional Description
  16
- AT Command and Register Set
  17
  - AT Command and S-Register Summary
    17
  - General Description of at Commands
    19
  - AT Commands in Detail
    20
  - Extended at Commands
    23
  - S-Registers
    26
  - Result Codes
    30
- Tx USART
  30
- FSK and QAM/DPSK Modulators
  32
- Tx Filter and Equaliser
  33
- Dtmf/Tone Generator
  33
- Tx Level Control and Output Buffer
  33
- Rx Dtmf/Tones Detectors
  34
- Rx Modem Filterering and Demodulation
  35
- Rx Modem Pattern Detectors and Descrambler
  36
- Rx Data Register and USART
  36
Application Notes
38
- Hardware Interface
  38
- Calling Modem at Commands
  43
- Answering Modem at Commands
  43
- RS232 Transaction Sequence
  44
Performance Specification
45
- Electrical Performance
  45
  - Absolute Maximum Ratings
    45
  - Operating Limits
    45
  - Operating Characteristics
    46
- Packaging
  52

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