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参数资料
| 型号： | PA28F800CV-T80 |
| 厂商： | Intel Corp. |
| 英文描述： | 2-MBIT SmartVoltage BOOT BLOCK FLASH MEMORY FAMILY |
| 中文描述： | 2兆位SmartVoltage启动块闪存系列 |
| 文件页数： | 7/55页 |
| 文件大小： | 638K |
| 代理商： | PA28F800CV-T80 |
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E
The 2-Mbit boot block flash memory family provides
full-function, blocked flash memories suitable for a
wide range of applications. These applications
include extended PC BIOS and ROM-able
applications storage, digital cellular phone program
and data storage, telecommunication boot/firmware,
printer firmware/font storage and various other
embedded applications where program and data
storage are required.
2-MBIT SmartVoltage BOOT BLOCK FAMILY
7
SEE NEW DESIGN RECOMMENDATIONS
Reprogrammable systems, such as personal
computers, are ideal applications for the 2-Mbit
flash
memory
products.
sophistication greatens the probability that a code
update will be required after the PC is shipped. For
example, the emerging of
“plug and play” standard
in desktop and portable PCs enables auto-
configuration of ISA and PCI add-in cards.
However, since the plug and play specification
continues to evolve, a flash BIOS provides a cost-
effective capability to update existing PCs. In
addition, the parameter blocks are ideal for storing
the
required
auto-configuration
allowing you to integrate the BIOS PROM and
parameter
storage
EEPROM
component, reducing parts costs while increasing
functionality.
Increasing
software
parameters,
into
a
single
The 2-Mbit flash memory products are also
excellent design solutions for digital cellular phone
and
telecommunication
requiring very low power consumption, high-
performance,
high-density
modular software designs, and a small form factor
package. The 2-Mbit’s blocking scheme allows for
easy segmentation of the embedded code with
16 Kbytes of hardware-protected boot code, four
switching
applications
storage
capability,
main blocks of program code and two parameter
blocks of 8 Kbytes each for frequently updated data
storage and diagnostic messages (e.g., phone
numbers, authorization codes).
Intel’s boot block architecture provides a flexible
voltage solution for the different design needs of
various applications. The asymmetrically-blocked
memory map allows the integration of several
memory components into a single flash device. The
boot block provides a secure boot PROM; the
parameter
blocks
can
functionality for parameter store with proper
software techniques; and the main blocks provide
code and data storage with access times fast
enough to execute code in place, decreasing RAM
requirements.
emulate
EEPROM
1.4
Pinouts
Intel’s SmartVoltage Boot Block architecture
provides upgrade paths in every package pinout to
the 4 or 8-Mbit density. The 28F002B 40-lead
TSOP pinout for space-constrained designs is
shown in
Figure 3. The 28F200 44-lead PSOP
pinout follows the industry-standard ROM/EPROM
pinout, as shown in
Figure 4. For designs that
require x16 operation but have space concerns,
refer to the 48-lead pinout in
Figure 5. Furthermore,
the 28F200 56-lead TSOP pinout shown in Figure 6
provides compatibility with BX/BL family product
packages.
Pinouts for the corresponding 4-Mbit and 8-Mbit
components are also provided for convenient
reference. 2-Mbit pinouts are given on the chip
illustration in the center, with 4-Mbit and 8-Mbit
pinouts going outward from the center.
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