EMAC SoM-210FS User manual

SoM-210ES

SoM 200-pin Carrier Board

User Manual

REV. 0.1

EMAC, Inc.

Table of Contents

Disclaimer.................................................................................................................................................. 1

1SOM-210 Product Summary............................................................................................................. 2

1.1Features........................................................................................................................................................................2

1.2Standard PPC Specifications........................................................................................................................................3

2SOM-210 Product Details.................................................................................................................. 4

2.1Jumper Configuration & Connector Descriptions........................................................................................................4

2.2Power Connectors........................................................................................................................................................5

2.3Ethernet........................................................................................................................................................................5

2.4Serial Ports...................................................................................................................................................................5

2.5USB Host Ports............................................................................................................................................................7

2.6Audio Port (option on Rev1 and greater boards) .........................................................................................................7

2.7LCD Brightness Control..............................................................................................................................................7

2.8SD/MMC Card Socket.................................................................................................................................................7

2.9Keyboard/Mouse..........................................................................................................................................................7

2.10Analog Inputs...............................................................................................................................................................7

2.11I/O Expansion..............................................................................................................................................................7

2.12Real-Time Clock..........................................................................................................................................................8

2.13Reset ............................................................................................................................................................................8

3Software............................................................................................................................................... 9

3.1Introduction..................................................................................................................................................................9

4Appendix A: Connector Pinouts...................................................................................................... 10

4.1Ethernet 10/100 Base-T connector (JK1)...................................................................................................................10

4.2USB Host connector Port A & B (JK3 and JK2).......................................................................................................10

4.2.1PortA..................................................................................................................................................................10

4.2.2PortB..................................................................................................................................................................10

4.3Power Jack (JK4).......................................................................................................................................................10

4.4Power Connector (HDR1)..........................................................................................................................................10

4.5Micro SD Socket (SOK2)..........................................................................................................................................10

4.6LCD/Touch/Backlight (SOK3)..................................................................................................................................11

4.7COMA RS-232 Serial Port (HDR5) .........................................................................................................................12

4.8COMB RS-232 Serial Port (HDR4)..........................................................................................................................12

4.9COMC RS-232/422/485 Serial Port (HDR3) ...........................................................................................................12

4.10JTAG Connector (HDR6)..........................................................................................................................................12

4.11Misc. I/O (HDR2)......................................................................................................................................................13

5Appendix B: Jumper Settings .......................................................................................................... 14

6Appendix C: Mechanical drawing with dimensions....................................................................... 15

Disclaimer

EMAC Inc. does not assume any liability arising out of the application or use of any of its products or designs.

Products designed or distributed by EMAC Inc. are not intended for, or authorized to be used in, applications such

as life support systems or for any other use in which the failure of the product could potentially result in personal

injury, death or property damage.

If EMAC Inc. products are used in any of the aforementioned unintended or unauthorized applications, Purchaser

shall indemnify and hold EMAC Inc. and its employees and officers harmless against all claims, costs, damages,

expenses, and attorney fees that may directly or indirectly arise out of any claim of personal injury, death or

property damage associated with such unintended or unauthorized use, even if it is alleged that EMAC Inc. was

negligent in the design or manufacture of the product.

EMAC Inc. reserves the right to make changes to any products with the intent to improve overall quality, without

further notification.

1 SOM-210 Product Summary

Features

 200 Pin SODIMM SoM Connector

 10/100BaseT Ethernet

 3 Serial ports with handshake

 2 USB 2.0 (Full Speed) Host ports

 Battery for Real Time Clock

 MicroSD Flash Card Interface

 1 Audio Beeper

 General purpose I/O connector to give access to SoM peripherals such as SPI, I2S, Timer/Counters and

Pulse Width Modulation (PWM) ports

 WQVGA LCD (480 x 272) Resolution with LED Backlight

 Touchscreen Interface and Software Controlled Backlight On/Off & Brightness

 JTAG connector for debug

 FREE Eclipse IDE with GCC & GDB development tools

 Linux BSP and SDK available

 WinCE 6.0 BSP and SDK available

1.1 Specifications

LCD

• Display Type: 4.3" TFT Color LCD

• Resolution: 400 x 272 WQVGA @ 256K Colors

• Dot pitch: 0.198mm x 0.198mm

• Luminance: 330 (cd/m²)

• Viewing Angle: 55°

• Brightness: Software controlled

• Backlight: White LED (10 LEDS)

Touchscreen

• Type: 4 Wire Analog Resistive

• Resolution: Continuous

• Light Transparency: 80%

• Controller: Built-In

• Driver: WinCE, Linux

• Durability: Over one million touches

Ethernet interface

• Ethernet Type: 10/100 Base-T Ethernet

• Ethernet Interface: On-Board RJ-45 connector

Solid-state Flash Disk

• Removable: 8+ GB of SD, MMC, or SDHC Flash Disk

Mechanical and Environmental

• Dimensions: 4.8 " L x 3.0" W x 1.2" H

• Weight: 5.7 oz.

• Power Supply Voltage: +5V DC.

• Power Consumption: typical <~1.0A. @ 5V DC.

• Operating Temperature: 0 ~ 60° C (32 ~ 140° F)

Standard Parts Inventory

• SOM-210 Assembly with 4.3” Touchscreen

• Molded plastic LCD mounting bracket and standoffs

• Three Serial Port cables

• CDROM with manuals, schematics, and drivers

2 SOM-210 Product Details

2.1 Jumper Configuration & Connector Descriptions

The SOM-210 comes factory configured. In the event that jumpers need to be verified or modified this section

provides the information required, including instructions on setting jumpers and connecting peripherals, switches

and indicators. Be sure to read all the safety precautions before you begin any configuration procedure. See

Appendix A for connector pinouts and Appendix B for Jumper Settings.

Table 1: Jumpers

Label Function Default

JB1 Boot Source Selection Position A

JB2 Boot Source Selection Position A

Table 2: Connectors

Label Function

JK1 Ethernet

JK2 USB B

JK3 USB A

JK4 5v power barrel jack

HDR1 Power

HDR2 I/O Interface

HDR3 COM C COM 3 Serial Port

HDR4 COM B COM 2 Serial Port

HDR5 COM A COM 1 Serial Port

HDR6 BDM JTAG

SOK1 200 pin SOM Socket

SOK2 MicroSD Card Socket

SOK3 LCD &Touch Interface Cable Socket

2.2 Power Connectors

The SOM-210 provides two power connectors. HDR4 is a standard PC Floppy disk power connector, four-pin

type connector that mates with standard Floppy disk drive power connector. Using this power input provides for a

more rugged/industrial locking connection. JK4 is a standard 5.5mm barrel jack with an inner diameter of 2.1mm

with a center V+ connection. This jack allows for easy connection to a wall mount power supply (EMAC part

number PER-PWR-00032). The SOM-210’s power input uses a switching regulator and allows a voltage input of

+5V DC.

The pinout for the J1 power connector is as follows:

Pin Signal

1 +5V DC

2 Chassis GND

3 Chassis GND

4 +12V DC (unused)

2.3 Ethernet

The SOM-210 provides 10/100 Base-T full duplex Ethernet and uses a standard RJ-45 connector. It can be

connected straight to a hub, or another computer via a crossover Ethernet cable. The Ethernet MAC & PHY are

integrated into the SoM processor module. Activity and Link LEDs are integrated into the RJ45 connector.

2.4 Serial Ports

The SOM-210 is equipped with three serial ports, all of which terminate to 10pin header connectors (see table 2,

3, & 4 below). Three 10-pin header to male DB9 connector cables are provided, giving easy access to these

ports. Baud Rate, stop bits, etc. are all programmable for each port via software.

COM A is an RS232 compatible port with a full complement of handshaking lines allowing it to communicate with

modems and other devices requiring hardware flow control.

COM B is an RS232 port. This port offers the RTS and CTS handshake lines.

COM C can be configured to RS232, RS422, and RS485 via 4 software controlled port pins (see table 1 below).

To select RS232 set SoM pin 113 & 120 Low and pin 118 & 119 High (this is the default). For RS422 set SoM pin

113 & 120 High and pin 118 & 119 Low. To select RS485, selectively set SoM pin 113 & 119 as required while

keeping pin 118 Low.

When using COM C in the RS422/485 mode, a terminating resistor (~120 Ohm) is recommended on the two far

ends of the network.

Table 1SODIMM Pin# SoM Pin Name Function

113 COMD_RTS RS422/485 Tx Enable

118 GPIO4 ~RS232 Shutdown

119 GPIO5 ~RS422/485 Rx Enable

120 GPIO6 ~RS232 Enable

Table 2 (COM A Pinout)

#Pin Description for 10-

Pin Header Pin Description for DB9

Connector

1 DCD DCD

2 DSR RxD

3 RxD TxD

4 RTS DTR

5 TxD GND

6 CTS DSR

7 DTR RTS

8 RI CTS

9 GND RI

10 NC -

Table 3 (COM B Pinout)

#Pin Description for 10-

Pin Header Pin Description for DB9

Connector

1 NC NC

2 NC RxD

3 RxD TxD

4 RTS NC

5 TxD GND

6 CTS NC

7 NC RTS

8 NC CTS

9 GND NC

10 NC -

Table 4 (COM C Pinout)

#Pin Description for 10-Pin

Header Pin Description for DB9

Connector

1 422/485 TX- 422/485 TX-

2 NC 232 RX, 422/485 TX+

3 232 RX, 422/485 TX+ 232 TX, 422/485 RX+

4 RTS 422/485 RX-

5 232 TX, 422/485 RX+ GND

6 CTS NC

7 422/485 RX- RTS

8 NC CTS

9 GND NC

10 NC -

2.5 USB Host Ports

The SOM-210 provides two, USB 2.0 full speed host ports. USB PortA and PortB can be accessed from the on-

board USB connectors JK3 and JK2.

All of the USB ports are equipped with 500mA re-settable Polyfuses. If a USB Device tries to draw more than

500mA from the port, the fuse will open until the device is unplugged or its current requirement is reduced. There

is no software provision for shutting down power to the Ports or detecting when a port is drawing too much

current.

Note: When sizing a power supply, make sure to allow for USB Device consumption. A device can potentially

draw 500mA, therefore these devices could use a total of up to 1 amp of power.

2.6 Audio Port (option on Rev1 and greater boards)

The SOM-210 provides Audio Line Out and Line In capability through a 10-pin 2mm header. A special cable

converts the signals present on the header to two miniature audio jacks. The processor interfaces to the Audio

CODEC through its I2S interface. Command control of the CODEC is done using the processor’s SPI interface.

The CODEC is the Cirrus CS4271, which is a high performance 24-bit Stereo CODEC offering superior sound

quality.

Both the input and output are line level. You will probably not be able to drive an unamplified speaker although

standard headphones will work. Likewise, an un-amplified microphone probably will not work as an input although

the line out of a CD player will work.

2.7 LCD Brightness Control

The SOM-210 offers LCD brightness control that can change the brightness of the LCD via software. The LCD

utilizes LED backlighting. The board provides the backlight with approximately 33 volts at about 20mA. The

processor provides a PWM that is used to drive the LCD backlight. Changing the duty-cycle of the PWM directly

affects the brightness of the LCD. In addition, the backlight can be turned off by reducing the PWM rate to 0. This

allows screensaver software to automatically turn off the backlight when the unit is not being used and to

automatically turn it back on when the touchscreen is touched.

2.8 MicroSD Card Socket

The SOM-210 provides a high capacity MicroSD socket. This socket is hot-swappable and can accept a wide

variety of Flash Cards. A green activity light (LED LD2) is located towards the left side of the socket. When the

processor is accessing the Flash card this LED will be lit and the card should not be removed at this time. A card

that is written to by the SOM-210 can be read by another computer using an MicroSD card reader. The MicroSD

interface is compatible with Standard and High Capacity MicroSD cards.

2.9 Keyboard/Mouse

The SOM-210 does not provide a PS/2 type keyboard/mouse interface. However, a USB keyboard and mouse

can be used if required.

2.10 Analog Inputs

The analog inputs are available on HDR2 (see table 5 below) and are labeled as analog_04, analog_05,

analog_06 and analog_07. These may or may not be supported by the SoM plugged into this carrier.

2.11 I/O Expansion

The Processor used by the SOM-210 provides a number of unused I/O lines. The SOM-210 provides access to

these lines on connector HDR2. This 30-pin dual row header contains GPIO lines, SPI bus, I2C bus, A/D lineS,

interrupts and power pins. Signal names listed in the table below are the SoM names as defined in the SoM 200

pin specification.

Pin Signal Pin Signal

1 GND 2 3.3V

3 CANRX 4 CANTX

5 I2DAT 6 I2CLK

7 RESET_OUT 8 SPI_MI

9 SPI_CK 10 SPI_MO

11 SPI_CS1 12 SPI_CS0

13 SPI_CS3/FRM 14 SPI_CS2

15 AUD_DOUT 16 AUD_MCLK

17 ANALG_05 18 AUD_SCLK

19 ANALG_07 20 AUD_DIN

21 ANALG_04 22 AUD_LRCLK

23 GPIO12 24 GPIO11

25 ANALG_06 26 GPIO13

27 GPIO15 28 IRQA

29 3.3V 30 GND

2.12 Real-Time Clock

The SOM-210 is equipped with an external battery for backing up the module’s Real-Time Clock (RTC). Drivers to

access the RTC are included in the operating systems.

2.13 Reset

The SOM-210 provides a Reset Button (PB1). Pressing this button will cause the system to reset.

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