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Dido Texas Instruments DM814x/AM387x CPU module[edit | edit source]

Dido is a ready-to-use CPU module family based on Texas Instruments DM814x (DaVinci) and AM387x (Sitara) Cortex-A8 high performance application processors. Dido is the first product of DAVE Embedded Systems Ultra Line, which includes best-in-class solutions and full featured SOMs. Dido shares the same DM814x processor with Maya (Lite Line) and Naon (Esatta Line) and is built with the same connectors format (ZFF) as Naon and Lizard (Esatta Line).

Main Features[edit | edit source]

Up to 2 GB DDR3 SDRAM @ 533 MHz
Flash NOR and Flash NAND on board
PCI Express 2.0 Port With Integrated PHY (5.0 GT/s Endpoint/Root Complex port)
Up to 750 MHz C674x VLIW DSP
HD Video Processing Subsystem (HDVPSS)
HD Video Coprocessor HDVICP v2
2x HD Video Input port
Display subsystem: up to 24 bit, TFT and TV out
High-end Dual-CAN controller
Fast Ethernet LAN and Integrated Ethernet Switch
2 x USB Host, 1 x USB OTG
2 x SD/MMC
Touch Screen controller
3 x UART, 2 x I²C, 3 x SPI, 1 x I²S, 1x SATA
Small form factor: 70mm x 60mm

For detailed information about Dido, please refer to the Dido SOM article.

Dido RSS Feed[edit | edit source]

Please subscribe to the Dido Pages Updates RSS Feed using your favourite RSS reader to be notified on wiki pages updates related to Naon.

Please refer to the Keeping updated on DAVE Embedded Systems Developer's wiki pages modifications section for further information on how to subscribe to the RSS feed.

Dido Product Page[edit | edit source]

Please visit Dido Web Page for more product information.

DIDO Leaflet[edit | edit source]

Please download it from the following link: [1]

DIDO Evaluation Kit[edit | edit source]

DIDO Evaluation Kit DELK-H-S is composed by:

a development/test board designed to start working with the DIDO platform and experimenting with the implemented features
the Linux BSP
documentation

The carrier board hosts a DIDO CPU module and offers the following features:

Gigabit Ethernet LAN
Video Input ports (VIN0 and VIN1A)
HDMI 1.3a
Video Output port (VOUT1)
SD/MMC socket
2x USB Host 2.0
1x Serial port
2x I2C
2x SPI
GPIOs
1x ADC
JTAG
Add-on DVI input available
Power supply: 12VDC
SATA
PCIe

For detailed information on the Linux BSP, please refer to the DELK/NELK page.

DIDO technical details[edit | edit source]

Introduction[edit | edit source]

Dido is a family of system-on-modules that belongs to DAVE Embedded Systems Ultra Line product class.

It is based on Texas Instruments DaVinci digital media processor DM814x. Dido Hardware Manual provides detailed information about hardware interfaces and characteristics. This document will provide a functional overview of the module and will focus on system-related issues.

Block Diagram[edit | edit source]

The following picture shows a simplified block diagram of Dido module.

Product Highlights[edit | edit source]

Top class CPU module based on Texas Instruments DM814x processors family
Ultra Line - ARM Cortex-A8 architecture @ 1 GHz
Up to 2 GB DDR3 @ 533 MHz SDRAM
HD Video Encoding/Decoding Capabilities (HDVCIP)
DSP engine (available on DM8148)
NEON Multimedia Coprocessor and PowerVR® SGX Graphics Engine
Small form factor
Rich interfaces set including PCIe, dual CAN, Ethernet, SATA and native 3.3V I/O
Naon pinout compatible
Evaluation Board available with exhaustive Development Kit

Feature Summary[edit | edit source]

Table: CPU and Memories
Feature	Specifications	Options
CPU	Texas Instruments DM814x/AM387x ARMv7 architecture Cortex A8 @ 1 GHz
RAM	DDR3 SDRAM @ 533 MHz Up to 2 GB
Storage	Flash NOR SPI Flash NAND on Local bus I²C 32 kbit EEPROM
External local bus	16 bit GPMC
Expansion bus	One PCI Express 2.0 Port With Integrated PHY (5.0 GT/s Endpoint/Root Complex port)

Table: Peripherals
Feature	Specifications	Options
Graphic Controllers	HD Video Processing Subsystem (HDVPSS) 1x up to 24 bit HD Video Output port 1x up to 18 bit HD Video Output port 1x HDMI 1.3 channel + DDC Analog TV output TFT/RGB support
2D/3D Engines	NEON Multimedia SIMD coprocessor PowerVR SGX 530 3D Accelerator
Coprocessors	Up to 750 MHz C674x VLIW DSP HD Video Coprocessor HDVICP v2
Video capture	2x HD Video Input port 24-bit video in port 16-bit camera interface
USB	2x USB Host 2.0, 480 Mbps, with PHY 1x USB OTG, 480 Mbps (integrated PHY))
UARTs	3x UARTs
GPIO	Up to 128 lines, shared with other functions (interrupts available)
Input interfaces	TSC2003 4-wire resistive touch screen controller Available ADC channel Up to 8x8 keypad controller
Networks	1x Fast Ethernet with PHY 1x GRMII 10/100/1000 Mbps interface High-end Dual CAN controller
Storage	Serial ATA 3.0 Gbps with integrated PHY
SD/MMC	Up to 3x MMC/SD/SDIO Serial interfaces (up to 48 MHz)
Serial buses	2x I²C, 3x SPI
Audio	1x McASP channel
Timers	Up to 6 programmable general purpose timers (PWM function available)
RTC	On board (provided by TPS659113 PMIC), external battery powered
Debug	JTAG EMU port

Table: Electrical, Mechanical and Environmental Specifications
Feature	Specifications	Options
Supply Voltage	+ 3.3V
Active power consumption	See section 8.3 - Power consumption
Dimensions	68.6 mm x 59.7 mm
Weight	<tbd>
MTBF	<tbd>
Operation temperature	0..70 °C -40..+85 °C
Shock	<tbd>
Vibration	100 G resistance
Connectors	2x 140 pin
Connectors insertion/removal	<tbd>