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HT85F2270 датащи(PDF) 41 Page - Holtek Semiconductor Inc

номер детали HT85F2270
подробное описание детали  Standard 8051 8-Bit Flash MCU
PDF  226 Pages
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производитель  HOLTEK [Holtek Semiconductor Inc]
домашняя страница  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT85F2270 датащи(HTML) 41 Page - Holtek Semiconductor Inc

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Rev. 1.00
41 of ��6
�a� 1�� �01�
Standard 8051 8-Bit Flash MCU
HT85F2260/HT85F2270/HT85F2280
START
�CU waits for memor�
dump finished and then
�CU continues to run.
Flash memor� controller
must be In unlocked state
Write F�AR�
Write F�AR1
Write F�AR0
F�CR Bit 0 = 1 and
F�CR Bit 6 = 1 (*)
Enter memor�
dump procedure
Write next page
if desired
�CU waits for b�te-writing
finished and then
�CU continues to run.
F�CR Bit 7 = 1
Update the Page Buffer
B� writing F�DR
F�ARx reach the
page boundar�?
�ore Data?
No
Yes
No
Yes
Check F�SR Bit 1 = 1
Yes
No
Byte Write Flowchart (FMCR.0=1, FMCR.6=1)



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