Digi NS9210 - page 48

48 NS9210 Processor Module Hardware Reference

Chapter 2

Serial port C TTL

interface The serial (UART) port C interface is a TTL interface connected to a 2x5 pin, 0.1”

connector, X5. The connector supports only TTL level.

The serial port C interface corresponds to the NS9215 UART port C. The signals are

shared with the HDLC interface.

Serial port C pins are allocated as shown:

Note: By using GPIO12 as RIC#, be sure to populate a series resistor on the

baseboard. This is necessary to avoid conflict between the default configuration of

the GPIO when booting (RESET_DONE / output) and the chosen configuration once

booted (RIC# / input).

By default, Serial C signals are configured to their respective GPIO signals, except

for GPIO12. It is the responsibility of the driver to configure them properly.

Pin Function Defaults to

1 DCDC#/TXCLKC GPIO8.

2DSRC# GPIO10.

3 RXDC# GPIO11

4 RTSC#/RXCLKC GPIO13

5 TXDC GPIO15

6CTSC# GPIO9

7 DTRC#/TXCLKC GPIO14

8 RIC#/RXCLKC/GPIO 12 RESET_DONE See note

9 GND

10 3.3V

Contents

Main Page Contents . . . . . . . Page Page Page Digi information Page About the Module T Features and functionality Module pinout Pinout legend: Type X1 pinout Page Page Page X2 pinout Page Page Page Page Page Page Page Configuration pins CPU Configuration pins Module Clock generation Boot process Chip selects SDRAM banks Multiplexed GPIO pins Page Page Page Page Page Interfaces Power About the Development Board T Page Page User interface Switches and pushbuttons Page Serial Port B MEI configuration switches, S1 Use S1 to configure the line interface for serial port B MEI: Jumpers Jumper functions Battery and Battery Holder LEDs Page Serial UART ports Page Page Page I2C interface The I/O expander is a Philips PCA9554D at I2C address 0x20 / 0x21. The pins are allocated as shown: SPI interface Pin allocation SPI connector pins are allocated as shown: Current Measurement Option JTAG interface PoE module connectors - IEEE802.3af Page Ethernet interface RJ-45 pin allocation, X19 RJ-45 connector pins are configured as shown: Peripheral (expansion) headers Page Module and test connectors X10 pinout *USB signals are reserved for future use. X11 pinout *USB signals are reserved for future use. X20 pinout X21 pinout Page Appendix A:Specifications T Environmental specifications Mechanical specifications Safety statements A Power requirements Typical module current / power measurements Typical power save module / JumpStart board current / power consumption measurements Page Layout recommendation BOTTOM View TOP View SIDE View Page Reset and edge sensitive input timing requirements t Page Appendix B:Certifications T FCC Part 15 Class B Radio Frequency Interface (RFI) (FCC 15.105) Labeling Requirements (FCC 15.19) B Modifications (FCC 15.21) Industry Canada Declaration of Conformity B International EMC Standards The NS9210 Processor Module meets the following standards: