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MC145540 ADPCM编解码器评估套件的介绍和使用
消耗积分:10 |
格式:rar |
大小:302 |
2009-06-15
王银喜
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1.1 Organization Of Data Sheet...................................................................................1-1
1.2 Introduction...............................................................................................................1-1
1.3 Features....................................................................................................................1-3
SECTION 2
HARDWARE DESCRIPTION
2.1 Power Supply Configurations................................................................................2-1
2.2 Clock Generation Circuitry.....................................................................................2-1
2.3 MC145540 ADPCM Codec....................................................................................2-4
2.4 MC68HC705C8P.....................................................................................................2-5
2.5 MC145407 and EIA232 Port Description.............................................................2-6
2.6 Computer Terminal Interface Descriptions..........................................................2-7
2.7 Jumper Descriptions ...............................................................................................2-8
2.8 Handset....................................................................................................................2-10
SECTION 3
OPERATING CONFIGURATIONS
3.1 MC145537EVK Single Board Analog End-to-End Operation...........................3-1
3.2 MC145537EVK to MC145537EVK Full-Duplex Analog End-to-End...............3-2
3.3 MC145537EVK to MC145536EVK Full-Duplex Analog End-to-End...............3-7
SECTION 4
MICROCONTROLLER SOFTWARE COMMAND SET
4.1 Computer Terminal Software Command Set......................................................4-1
Figure 1-1.
MC145537EVK Functional Block Diagram ................................................1-2
Figure 2-1. DSW1 Settings for Transcoding Rates.......................................................2-2
Figure 2-2. Jumper Positions for Switching Transmit and Receive Circuits of the
EIA-232 Serial Computer Terminal Interface.............................................2-6
Figure 3-1. Jumper Settings for Digital Loopback Analog End-to-End Operation....3-2
Figure 3-2. Recommended Configuration for MC145537EVK to MC145537EVK
Operation.........................................................................................................3-4
Figure 3-3. Recommended Configuration for MC145537EVK to MC145536EVK
Operation.........................................................................................................3-8
Figure 4-1. Input / Output Modes of the MC145540 ADPCM Codec.........................4-3
1.2 Introduction...............................................................................................................1-1
1.3 Features....................................................................................................................1-3
SECTION 2
HARDWARE DESCRIPTION
2.1 Power Supply Configurations................................................................................2-1
2.2 Clock Generation Circuitry.....................................................................................2-1
2.3 MC145540 ADPCM Codec....................................................................................2-4
2.4 MC68HC705C8P.....................................................................................................2-5
2.5 MC145407 and EIA232 Port Description.............................................................2-6
2.6 Computer Terminal Interface Descriptions..........................................................2-7
2.7 Jumper Descriptions ...............................................................................................2-8
2.8 Handset....................................................................................................................2-10
SECTION 3
OPERATING CONFIGURATIONS
3.1 MC145537EVK Single Board Analog End-to-End Operation...........................3-1
3.2 MC145537EVK to MC145537EVK Full-Duplex Analog End-to-End...............3-2
3.3 MC145537EVK to MC145536EVK Full-Duplex Analog End-to-End...............3-7
SECTION 4
MICROCONTROLLER SOFTWARE COMMAND SET
4.1 Computer Terminal Software Command Set......................................................4-1
Figure 1-1.
MC145537EVK Functional Block Diagram ................................................1-2
Figure 2-1. DSW1 Settings for Transcoding Rates.......................................................2-2
Figure 2-2. Jumper Positions for Switching Transmit and Receive Circuits of the
EIA-232 Serial Computer Terminal Interface.............................................2-6
Figure 3-1. Jumper Settings for Digital Loopback Analog End-to-End Operation....3-2
Figure 3-2. Recommended Configuration for MC145537EVK to MC145537EVK
Operation.........................................................................................................3-4
Figure 3-3. Recommended Configuration for MC145537EVK to MC145536EVK
Operation.........................................................................................................3-8
Figure 4-1. Input / Output Modes of the MC145540 ADPCM Codec.........................4-3
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