Datasheet CMX7146 (CML Microcircuits) - 2

制造商CML Microcircuits
描述BPSK Wireless Data Modulator
页数 / 页37 / 2 — CONTENTS
文件格式/大小PDF / 2.1 Mb
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CONTENTS

CONTENTS

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CONTENTS
Section Page 1 Brief Description .. 1 1.1 History ... 3 2 Signal List ... 5 3 External Components .. 7 4 PCB Layout Guidelines and Power Supply Decoupling .. 9 5 General Description ... 10 5.1 CMX7146 Features .. 10 6 Detailed Descriptions .. 11 6.1 Xtal Frequency ... 11 6.2 Host Interface .. 11 6.2.1 C-BUS Operation.. 11 6.3 Function Image Loading .. 12 6.3.1 FI Loading from Host Controller .. 12 6.3.2 FI Loading from Flash/EEPROM ... 14 6.4 Device Control ... 15 6.4.1 Device Configuration (using the Programming Register) .. 15 6.4.2 Device Configuration (using dedicated registers) .. 15 6.4.3 Interrupt Operation ... 16 6.4.4 Signal Routing .. 16 6.4.5 Loading Transmit Data .. 16 6.4.6 The Transmit Sequence ... 16 6.4.7 Other Modem Modes .. 17 6.4.8 Data Transfer ... 17 6.4.9 Raw Data Transfer ... 18 6.4.10 Pre-loading transmit data .. 18 6.4.11 Auxiliary clock rates ... 18 6.4.12 Auxiliary data ... 18 6.4.13 GPIO Pin Operation ... 19 6.4.14 Auxiliary ADC Operation .. 19 6.4.15 Auxiliary DAC / RAMDAC Operation .. 20 6.5 Digital System Clock Generators ... 21 6.5.1 System Clock Operation .. 22 6.6 Signal Level Optimisation .. 22 6.7 C-BUS Register Summary ... 22 7 CMX7146 FI-1.x Features... 24 7.1 Modulation .. 24 7.2 Radio Interface .. 24 7.3 Transmit Performance ... 24 8 Performance Specification .. 27 8.1 Electrical Performance .. 27 8.1.1 Absolute Maximum Ratings .. 27 8.1.2 Operating Limits .. 28 8.1.3 Operating Characteristics .. 29 8.1.4 Parametric Performance ... 34 8.2 C-BUS Timing ... 35 8.3 Packaging... 36 Table Page Table 1 BOOTEN Pin States .. 12 Table 2 C-BUS Data Registers .. 17 Table 3 C-BUS Registers ... 22 Figure Page Figure 1 Block Diagram .. 4  2019 CML Microsystems Plc Page 2 D/7146/1 Document Outline Datasheet Front Page 1 Brief Description 1.1 History 2 Signal List 3 External Components 4 PCB Layout Guidelines and Power Supply Decoupling 5 General Description 5.1 CMX7146 Features 6 Detailed Descriptions 6.1 Xtal Frequency 6.2 Host Interface 6.2.1 C-BUS Operation 6.3 Function Image Loading 6.3.1 FI Loading from Host Controller 6.3.2 FI Loading from Flash/EEPROM 6.4 Device Control 6.4.1 Device Configuration (using the Programming Register) 6.4.2 Device Configuration (using dedicated registers) 6.4.3 Interrupt Operation 6.4.4 Signal Routing 6.4.5 Loading Transmit Data 6.4.6 The Transmit Sequence 6.4.7 Other Modem Modes 6.4.8 Data Transfer 6.4.9 Raw Data Transfer 6.4.10 Pre-loading transmit data 6.4.11 Auxiliary clock rates 6.4.12 Auxiliary data 6.4.13 GPIO Pin Operation 6.4.14 Auxiliary ADC Operation 6.4.15 Auxiliary DAC / RAMDAC Operation 6.5 Digital System Clock Generators 6.5.1 System Clock Operation 6.6 Signal Level Optimisation 6.7 C-BUS Register Summary 7 CMX7146 FI-1.x Features 7.1 Modulation 7.2 Radio Interface 7.3 Transmit Performance 8 Performance Specification 8.1 Electrical Performance 8.1.1 Absolute Maximum Ratings 8.1.2 Operating Limits 8.1.3 Operating Characteristics 8.1.4 Parametric Performance 8.2 C-BUS Timing 8.3 Packaging END OF DOCUMENT