PIC10LF320 View Datasheet(PDF) - Microchip Technology
Part Name
Description
MFG CO.
'PIC10LF320' PDF : 210 Pages View PDF
PIC10(L)F320/322
FIGURE 9-6:
FLASH PROGRAM MEMORY WRITE FLOWCHART
Start
Write Operation
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)
Enable Write/Erase
Operation (WREN = 1)
Load the value to write
(PMDATH:PMDATL)
Disable Interrupts
(GIE = 0)
Update the word counter
(word_cnt--)
Select
Program or Config. Memory
(CFGS)
Select Row Address
(PMADRH:PMADRL)
Select Write Operation
(FREE = 0)
Load Write Latches Only
(LWLO = 1)
Last word to Yes
write ?
No
Unlock Sequence
F(Figiguurere9x-3-x)
No delay when writing to
Program Memory Latches
Increment Address
(PMADRH:PMADRL++)
Write Latches to Flash
(LWLO = 0)
Unlock Sequence
F(Figiguurere9x-3-x)
CPU stalls while Write
operation completes
(2ms typical)
Disable
Write/Erase Operation
(WREN = 0)
Re-enable Interrupts
(GIE = 1)
End
Write Operation
DS40001585D-page 58
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