參數(shù)資料
型號(hào)： MB90W224AZF
廠商： FUJITSU LTD
元件分類： 微控制器/微處理器
英文描述： 16-BIT, UVPROM, 16 MHz, MICROCONTROLLER, CQFP120
封裝： CERAMIC, QFP-120
文件頁數(shù)： 16/105頁
文件大?。?/td> 1800K
代理商： MB90W224AZF
MB90220 Series
18
s PROGRAMMING FOR MB90P224A/P224B/W224A/W224B
In EPROM mode, the MB90P224A/P224B/W224A/W224B functions equivalent to the MBM27C1000. This
allows the EPROM to be programmed with a general-purpose EPROM programmer by using the dedicated
socket adapter (do not use the electronic signature mode).
1. Program Mode
When shipped from Fujitsu, and after each erasure, all bits (96 K
× 8 bits) in the MB90P224A/P224B/W224A/
W224B are in the “1” state. Data is written to the ROM by selectively programming “0’s” into the desired bit
locations. Bits cannot be set to “1” electrically.
2. Programming Procedure
(1) Set the EPROM programmer to MBM27C1000.
(2) Load program data into the EPROM programmer at 08000H to 1FFFFH.
Note that ROM addresses FE8000H to FFFFFFH in the operation mode in the MB90P224A/P224B/W224A/
W224B series assign to 08000H to 1FFFFH in the EPROM mode (on the EPROM programmer).
(3) Mount the MB90P224A/P224B/W224A/W224B on the adapter socket, then fit the adapter socket onto the
EPROM programmer. When mounting the device and the adapter socket, pay attention to their mounting
orientations.
(4) Start programming the program data to the device.
(5) If programming has not successfully resulted, connect a capacitor of approx. 0.1
F between VCC and GND,
between VPP and GND.
Note: The mask ROM products (MB90223, MB90224) does not support EPROM mode. Data cannot, therefore, be
read by the EPROM programmer.
FFFFFFH
08000H *
1FFFFH *
Operation mode
* : Be sure to set the programming, the start address and the stop address on the EPROM programmer to 08000H/1FFFFH.
EPROM mode
(Corresponding addresses on the EPROM mode)
FE8000H
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PDF描述
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