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參數資料
| 型號： | ADSP-2109 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
| 中文描述： | 無電容，NMOS管，150mA的低壓差穩壓器的反向電流保護 |
| 文件頁數： | 9/36頁 |
| 文件大小： | 333K |
| 代理商： | ADSP-2109 |
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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.
T he 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. T his can be overcome by locating
program memory data in on-chip memory.
Ordering Procedure for ADSP-2109 ROM Processor
T o 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 (.EX E file) of your ROM code. T he
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. T his model number will be
branded on all prototype and production units manufactured to
these specifications.
T o minimize the risk of code being altered during this process,
Analog Devices verifies that the .EX E files on both floppy disks
are identical, and recalculates the checksums for the .EX E file
entered into the ROM Manager System. T he checksum data, in
the form of a ROM Memory Map, a hard copy of the .EX E 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.
T here 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.
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