1810-DG-225-RC datasheet, PDF - EEWORLD Datasheet

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1810-DG-225-RC: DescriptionSystem-On-Modules - SOM MitySOM-1810F AM1810 XILINX XC6SLX16; CategoryModule/solution; File Size534KB，12 Pages; ManufacturerCritical Link

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System-On-Modules - SOM MitySOM-1810F AM1810 XILINX XC6SLX16

1810-DG-225-RC Parametric

Parameter Name	Attribute value
Product Category	System-On-Modules - SOM
Manufacturer	Critical Link
RoHS	Details
Form Factor	Small Form Factor
Processor Brand	Texas Instruments
Processor Type	ARM926EJ-S
Frequency	375 MHz
Memory Size	128 MB
Interface Type	EMAC, SATA, SPI, UART, USB
Operating Supply Voltage	3.3 V
Maximum Operating Temperature	+ 70 C
Dimensions	67.6 mm x 38.1 mm
Battery Backup Switching	No Backup Battery
Cache Memory	16 kB/16 kB
Description/Function	MityARM-1808 is a highly configurable, very small form-factor processor card that features a Texas Instruments AM1810 375 MHz ARM application processor
Flash	8 MB, 256 MB
Memory Type	mDDR2
Minimum Operating Temperature	0 C
Packaging	Bulk
Factory Pack Quantity	1

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Critical Link, LLC

www.criticallink.com

MitySOM

MitySOM-1810F Processor Card

5-MAR-2014

FEATURES



TI AM1810 ARM9 Application Processor

375 MHz ARM926EJ-S MPU



16 KB L1 Program Cache



16 KB L1 Data Cache



8 KB Internal RAM



64 KB boot ROM



JTAG Emulation/Debug



On-Board Xilinx Spartan-6 FPGA

Up To XC6SLX45



Up To 2,088 KBits Block RAM



Up To 6,822 Slices (6 Input LUTs)

1050 Mbps data rate

JTAG Interface/Debug

Up To 256 MB mDDR2 CPU RAM

Up To 512 MB Parallel NAND FLASH

8 MB SPI based NOR FLASH

Integrated Power Management

Standard SO-DIMM-200 Interface

96 FPGA User I/O Pins

10/100 EMAC MII / MDIO

2 UARTS

2 McBSPs

2 USB Ports

Video Output

Camera/Video Input

MMC/SD

SATA

ePWM, eCAP

EMIFA

Single 3.3V Power Supply

PROFIBUS Interface

Certified by PI International

Real-Time Linux Drivers

Up to 6Mbaud operation



APPLICATIONS



Embedded Instrumentation



Industrial Automation



Industrial Instrumentation



Medical Instrumentation



Embedded Control Processing



Network Enabled Data Acquisition



Test and Measurement



Software Defined Radio



Bar Code Scanners



Power Protection Systems



Portable Data Terminals

BENEFITS



Rapid Development / Deployment



Multiple Connectivity and Interface Options



Rich User Interfaces



High System Integration



High Level OS Support



High Level OS Support

Linux

QNX

Windows Embedded CE Ready

ThreadX Real Time OS



DESCRIPTION

The MitySOM-1810F is a highly configurable, very small form-factor processor card that

features a Texas Instruments AM1810 375MHz ARM Applications Processor tightly

integrated with the Xilinx Spartan-6 Field Programmable Gate Array (FPGA),

PROFIBUS, FLASH (NAND and NOR) and mDDR2 RAM memory subsystems.

Specifications Subject to Change

Critical Link, LLC

www.criticallink.com

MitySOM

MitySOM-1810F Processor Card

5-MAR-2014

PROFIBUS Interface

Texas Instruments Inc. (TI) has integrated PROFIBUS functionality into its AM1810

Sitara ARM microprocessor (MPU). The solution utilizes one of the onboard UARTS

and connects directly to the RS-485 transceiver and therefore eliminates the need of an

external PROFIBUS ASIC or FPGA. Customers using the MitySOM-1810 in their

industrial application can save cost and reduce design complexity as well as PCB space.

Furthermore, the industrial application beneﬁts from the low-power architecture of the

Sitara ARM MPU and the MitySOM-1810 platform from TI and Critical Link.

The AM1810 Sitara ARM MPU PROFIBUS Slave solution has been certified by

PROFIBUS International (PI).

The PROFIBUS real-time frame handler (Fieldbus Data Link or FDL) is encapsulated in

the Programmable Real-Time Unit Subsystem (PRUSS), which is part of the AM1810

Sitara ARM MPU on-chip peripherals. The PRUSS uses one Universal Asynchronous

Receiver/Transmitter (UART) and a timer to generate PROFIBUS-compliant frames. The

industrial application and the PROFIBUS DP-Protocol (Layer 7) are operated on the

ARM. The solution can be completed with an RS-485 transceiver suitable for harsh

environments, such as TI’s ISO1176T or ISO1176 placed on the base board to the

MitySOM-1810F.

The PROFIBUS subsystem uses the PRUs that implement real-time frame handling;

PROFIBUS message transmission, frame validation and communication with the ARM

processor. The PROFIBUS subsystem interfaces with one of the UARTs in the AM1810

Sitara ARM MPU, which is designated for PROFIBUS communication at up to 6Mbaud

data rate. The PRU uses interrupts to interact with the ARM where the PROFIBUS stack

(Layer 7, DP Protocol) and the industrial application is run. All process data handling like

cyclic, acyclic and service access point (SAP) between the PROFIBUS stack on ARM

and the PRU is through the internal memory.

Additional details about the AM1810 Sitara ARM MPU, available peripherals and their

features are provided in the data sheet at the TI website (www.ti.com/am1810).

FPGA Bank I/O

The MitySOM-1810F provides 96 lines of FPGA I/O directly to the SO-DIMM-200 card

edge interface. The 96 lines of FPGA I/O are distributed across 2 banks of the FPGA.

These I/O lines and their associated logic are completely configurable within the FPGA

at the end user’s discretion.

With the Xilinx Spartan-6 series FPGA, up to the XC6SLX45, each of the user controlled

banks may be configured to operate on a different electrical interface standard based on

input voltage provided at the card edge connector. The banks support 3.3V, 2.5V, and

1.8V standard CMOS switching level technology. In addition, the I/O lines from the

FPGA have been routed as differential pairs and support higher speed LVDS standards as

well as SSTL 2.5 switching standards. Various forms of termination (pull-up/pull-down,

Specifications Subject to Change

Critical Link, LLC

www.criticallink.com

MitySOM

MitySOM-1810F Processor Card

5-MAR-2014

digitally controlled impedance matching) are available within the FPGA switch fabric.

Refer to the Xilinx Spartan 6 user’s guide for more information.

AM1810 mDDR2 Memory Interface

The AM1810 includes a dedicated DDR2 SDRAM memory interface. The MitySOM-

1810F includes up to 256 MB of mDDR2 RAM integrated with the AM1810 processor.

The bus interface is capable of burst transfer rates of 532 MB / second.

AM1810 SPI NOR FLASH Interface

The MitySOM-1810F includes 8 MB of SPI NOR FLASH. This FLASH memory is

intended to store a factory provided bootloader, and typically a compressed image of a

Linux kernel for the ARM core processor.

EMIFA / NAND FLASH Interface

The Asynchronous External Memory Interface (EMIFA) interface available on the

AM1810 is available on the SO-DIMM-200 connector. The EMIFA interface includes 3

chip select spaces. The EMIF interface supports multiple data width transfers and bus

wait state configurations based on chip select space. 8, and 16 bit data word sizes may be

used.

Up to 512 MB of on-board NAND FLASH memory is connected to the AM1810 using

the EMIFA bus. The FLASH memory is 8 bits wide and is connected to the third chip

select line of the EMIFA (CE1). The FLASH memory is typically used to store the

following types of data:

ARM Linux / Windows Embedded CE / QNX embedded root file-system

FPGA application images

runtime ARM software

runtime application data (non-volatile storage)

AM1810 Camera and Video Interfaces

The AM1810 includes an optional video port I/O interface commonly used to drive LCD

screens as well as a camera input interface. These interfaces have been routed directly to

the SO-DIMM-200 connector.

Debug Interface

Both the JTAG interface signals for the FPGA and the JTAG signals for the AM1810

processor have been brought out to a Hirose header that is intended for use with an

available Critical Link breakout adapter. This header can be removed for production

units; please contact your Critical Link representative for details.

This adapter is not included with individual modules but is included with each Critical

Link Development Kit that is ordered. If an adapter, Critical Link (CL) part number 80-

000286, is needed please contact your Critical Link representative.

Specifications Subject to Change

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