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PIC16F1526 bảng dữ liệu(PDF) 109 Page - Microchip Technology

tên linh kiện PIC16F1526
Giải thích chi tiết về linh kiện  64-Pin Flash Microcontrollers with nanoWatt XLP Technology
PDF  354 Pages
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nhà sản xuất  MICROCHIP [Microchip Technology]
Trang chủ  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F1526 bảng dữ liệu(HTML) 109 Page - Microchip Technology

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 2011 Microchip Technology Inc.
Preliminary
DS41458A-page 109
PIC16(L)F1526/27
FIGURE 11-6:
FLASH PROGRAM MEMORY WRITE FLOWCHART
Disable Interrupts
(GIE = 0)
Start
Write Operation
Select
Program or Config. Memory
(CFGS)
Select Row Address
(PMADRH:PMADRL)
Select Write Operation
(FREE = 0)
Enable Write/Erase
Operation (WREN = 1)
Unlock Sequence
(Figure x-x)
Disable
Write/Erase Operation
(WREN = 0)
Re-enable Interrupts
(GIE = 1)
End
Erase Operation
No delay when writing to
Program Memory Latches
Determine number of words
to be written into Program or
Configuration Memory.
The number of words cannot
exceed the number of words
per row.
(word_cnt)
Load the value to write
(PMDATH:PMDATL)
Update the word counter
(word_cnt--)
Last word to
write ?
Increment Address
(PMADRH:PMADRL++)
Unlock Sequence
(Figure x-x)
CPU stalls while Write
operation completes
(2ms typical)
Load Write Latches Only
(LWLO = 1)
Write Latches to Flash
(LWLO = 0)
No
Yes
Figure 11-3
Figure 11-3



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