User`s guide

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CY4615B AT2LP DDK User’s Guide

The AT2LP DDK board is a tool to demonstrate the features of the AT2LP (CY7C68300C and

CY7C68320C) mass storage bridge chips. Since the 100-pin CY7C68320C device is a

superset of the 56-pin CY7C68300C and CY7C68320C devices, this board can be used as an

evaluation platform for all devices in the AT2LP family.

Getting Started

By default, the AT2LP DDK board will be configured as a bridge to one or two ATA devices

in a self-powered configuration. If you would like to use this board as a bus-powered device or

if you would like to use the CompactFlash socket, you will need to change the board

configuration using the jumpers on the DDK board and the PC-based programming utility.

Here’s how to set up your board for the first time.

1. If you are using more than one device, configure one as a master and the other as slave.

If you’re only using one device, master/slave configuration will not matter.

2. Plug it into the 40-pin connector via the 80-pin ribbon cable.

3. Connect the 4-pin power connector to your external power supply

4. Connect your ATA device to an external power supply

5. Turn on the power supply and plug the USB cable into a host.

Summary of content (6 pages)

PAGE 1
CY4615B AT2LP DDK User’s Guide The AT2LP DDK board is a tool to demonstrate the features of the AT2LP (CY7C68300C and CY7C68320C) mass storage bridge chips. Since the 100-pin CY7C68320C device is a superset of the 56-pin CY7C68300C and CY7C68320C devices, this board can be used as an evaluation platform for all devices in the AT2LP family. Getting Started By default, the AT2LP DDK board will be configured as a bridge to one or two ATA devices in a self-powered configuration.
PAGE 2
AT2LP DDK board User’s Guide Jumpers and Switches The AT2LP DDK board has many switches and jumpers to help you evaluate the features of the AT2LP: Jumper/Switch Function J1 CF connector. To use the CF connector the board must be reconfigured as described below in the “recommended settings” section. J2 40-pin IDE connector J3 USB connector J4 VBUSPWRD 1-2 = Bus-powered 2-3 (default) = Self-powered J5, J6, J8, J10, GPIO input signals. J14, J15 1-2 (default) = GPIO0, GPIO1, and GPIO2 are driven high.
PAGE 3
AT2LP DDK board User’s Guide DIP switches Switch SW1-1 SW1-2 SW1-3 SW1-4 Function ATA_EN. OFF (default) = Normal operation ON = Disconnect from USB. Tri-state the ATA bus if the EEPROM configuration is set to tri-state. DRV_PWR_VALID OFF (default) = Normal operation ON = Simulate CompactFlash connection SPARE LED enable.
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AT2LP DDK board User’s Guide Recommended Settings Jumper/ Switch J1 J2 CF Unused Self powered DVD or HDD unused 80-pin IDE cable USB 1-2 = Bus-Powered Application-specific USB 2-3 = Self-powered Application-specific Compact Flash power source GPIO EEPROM enable GPIO CompactFlash power control select VCC_3.3v (recommended) = Supply 3.3v to the CF socket Application-specific Inserted Application-specific 1-2 = Bus-powered. CF power is driven by PWR500# pin.
PAGE 5
AT2LP DDK board User’s Guide Converting AT2 EEPROM files to AT2LP format Introduction To further aid the transition from the AT2 to the AT2LP, Cypress has developed a simple tool that will convert the EEPROM configuration files used with the AT2 into a format that can be used with the AT2LP manufacturing software. The AT2 configuration files are text files with a "W56" extension. The AT2LP configuration files are hex files with an "IIC" extension.
PAGE 6
AT2LP DDK board User’s Guide 4. Turn on the power 5. The board is now in manufacturing mode. It can be reprogrammed using AT2LPBlaster. System Level Issues ATA Security ATA Security is supported via ATACB commands, the same method used by the ISD-300LP. ATACB commands are not supported by the major operating system drivers so the Cypress driver must be used to support ATA Security. BIOS authors can find the entire ATACB description in the datasheet.