ADSP-2104 datasheet(9/36 Pages) AD

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ADSP-2104/ADSP-2109

REV. 0

–9–

ADSP-2109 Prototyping

You can prototype your ADSP-2109 system with the ADSP-

2104 RAM-based processor. When code is fully developed and

debugged, it can be submitted to Analog Devices for conversion

into a ADSP-2109 ROM product.

The ADSP-2101 EZ-ICE emulator can be used for develop-

ment of ADSP-2109 systems. For the 3.3 V ADSP-2109, a

voltage converter interface board provides 3.3 V emulation.

Additional overlay memory is used for emulation of ADSP-2109

systems. It should be noted that due to the use of off-chip

overlay memory to emulate the ADSP-2109, a performance loss

may be experienced when both executing instructions and

fetching program memory data from the off-chip overlay

memory in the same cycle. This can be overcome by locating

program memory data in on-chip memory.

Ordering Procedure for ADSP-2109 ROM Processor

To place an order for a custom ROM-coded ADSP-2109, you

must:

1. Complete the following forms contained in the ADSP ROM

Ordering Package, available from your Analog Devices sales

representative:

ADSP-2109 ROM Specification Form

ROM Release Agreement

ROM NRE Agreement & Minimum Quantity Order (MQO)

Acceptance Agreement for Pre-Production ROM Products

2. Return the forms to Analog Devices along with two copies of

the Memory Image File (.EXE file) of your ROM code. The

files must be supplied on two 3.5" or 5.25" floppy disks for

the IBM PC (DOS 2.01 or higher).

3. Place a purchase order with Analog Devices for nonrecurring

engineering changes (NRE) associated with ROM product

development.

After this information is received, it is entered into Analog

Devices’ ROM Manager System which assigns a custom ROM

model number to the product. This model number will be

branded on all prototype and production units manufactured to

these specifications.

To minimize the risk of code being altered during this process,

Analog Devices verifies that the .EXE files on both floppy disks

are identical, and recalculates the checksums for the .EXE file

entered into the ROM Manager System. The checksum data, in

the form of a ROM Memory Map, a hard copy of the .EXE file,

and a ROM Data Verification form are returned to you for

inspection.

A signed ROM Verification Form and a purchase order for

production units are required prior to any product being

manufactured. Prototype units may be applied toward the

minimum order quantity.

Upon completion of prototype manufacture, Analog Devices

will ship prototype units and a delivery schedule update for

production units. An invoice against your purchase order for the

NRE charges is issued at this time.

There is a charge for each ROM mask generated and a mini-

mum order quantity. Consult your sales representative for

details. A separate order must be placed for parts of a specific

package type, temperature range, and speed grade.

ADSP-2104 Datasheet(PDF) 9 Page - Analog Devices

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