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52 NS9210 Processor Module Hardware Reference

Chapter 2

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SPI interface

The development board provides access to the SPI interface on the module using

the SPI connector, X8. The SPI interface on the development board is shared with

UART_A (NS9215 port A). Because the module’s SPI interface is shared with a UART

interface, you cannot use both simultaneously.

Note: The default configuration of UART port A is to support GPIOs. To move from

GPIO to UART or SPI, you need to configure the software properly.

SPI header, X8

1 2 ... 47 48 49 50 51 52 53 54 55 56 57 ... 79 80

NS9210 Processor Module 1
Hardware Reference 1
Contents 3
About the Module 9
Features and functionality 10
Module pinout 10
. . . . 11
Chapter 1 12
Configuration pins — Module 24
Boot process 26
About the Development Board 35
Chapter 2 36
User interface 38
Serial UART ports 46
C interface 50
SPI interface 52
Current Measurement Option 54
Ethernet interface 58
Module and test connectors 62
Appendix A:Specifications 67
Power requirements 68
Module, top view 70
Module, side view 70
Appendix B:Certifications 75
Modifications (FCC 15.21) 76
Industry Canada 76
International EMC Standards 78

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