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4 NS9210 Processor Module Hardware Reference
GPIO multiplex table .........................................................................28
External interrupts ............................................................................32
Interfaces ................................................................................33
10/100 Mbps Ethernet port ..................................................................33
UART ............................................................................................33
SPI ...............................................................................................33
I2C bus ..........................................................................................34
RTC ..............................................................................................34
Power ....................................................................................34
Power supply ...................................................................................34
Internal voltage ...............................................................................34
Chapter 2: About the Development Board ............... 35
What’s on the development board? ........................................................35
The development board ......................................................................37
User interface ..........................................................................38
Switches and pushbuttons ............................................................39
Reset control, S3 ..............................................................................39
Power switch, S2 ..............................................................................39
User pushbuttons, S6 and S7 ................................................................40
Legend for multi-pin switches ..............................................................40
Module configuration switches, S4 .........................................................40
Wake-up button, S8 ...........................................................................40
Serial Port B MEI configuration switches, S1 ..............................................41
Jumpers ..................................................................................42
Jumper functions ..............................................................................43
Battery and Battery Holder ...........................................................43