UDRIVE-USD-G1 datasheet(6/10 Pages) ETC2

Part #	UDRIVE-USD-G1

Description	Embedded"DOS micro-Drive"Module

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Manufacturer	ETC2 [List of Unclassifed Manufacturers]

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4D SYSTEMS

µDRIVE-µSD-G1

Page 6 of 10

www.4dsystems.com.au

6. Memory Cards – FAT16 Format

The μDrive uses off the shelf standard SD/microSD

memory cards with up to 32GB capacity. For any

FAT file related operations, before the memory

card can be used it must

first be formatted with

FAT16

option.

The

formatting of the card can

be done on any PC system

with a card reader. Select

the appropriate drive and choose the FAT16 (or

just FAT in some systems) option when formatting.

The μDrive also supports high capacity HC memory

cards (4GB and above). The available capacity of

SD-HC cards varies according to the way the card is

partitioned and the commands used to access it.

For the RAW partition, byte reads and writes can

access 2^32 (i.e. 4GB) of the card, Sector reads and

writes can access 2^24 sectors (of 512 bytes, i.e.

8GB). For the FAT partition, the maximum FAT16

partition can be accessed, which is 4GB (subject to

your computers OS formatting capability, see

below). The total amount of the card usable is the

sum of the FAT and RAW partitions.

The FAT partition is always first (if it exists) and can

be up to the maximum size permitted by FAT16.

Windows 7 will format FAT16 up to 4GB. Windows

XP will format FAT16 up to 2GB and the Windows

XP command prompt will format FAT16 up to 4GB.

7. PmmC/Firmware Programming

The GOLDELOX processor on the μDRIVE module

can be re-programmed with the latest PmmC

configuration for updates and future proofing.

The chip-level configuration is available as a PmmC

(Personality-module-micro-Code)

file

and

the

programming must be performed over the serial

interface. All of the high level software interface

commands are part of the PmmC configuration file

so please check regularly for the latest updates

and enhancements.

Figure 3. ICSP Interface

It is recommended that the μDRIVE module be

socketed on the application board so that it can be

easily removed for PmmC programming. If the

module is to be permanently fixed and cannot be

removed then access must be provided for PmmC

programming on the application board. This is

referred to as “In Circuit Serial Programming”

(ICSP). Figure 3 provides a typical implementation

for the ICSP interface.

The PmmC file is programmed into the device with

the aid of Workshop 4, the 4D Systems IDE

software (See Section 9). To provide a link

between the PC and the ICSP interface, a specific

4D Programming Cable is required and is available

from 4D Systems.

Using a non-4D programming interface could

damage your display, and void your Warranty.

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