PIC16F1526 datasheet(109/354 Pages) MICROCHIP

Part #	PIC16F1526

Description	64-Pin Flash Microcontrollers with nanoWatt XLP Technology

PDF	354 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

Logo

109 / 354 page

 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)

Yes

Figure 11-3

PIC16F1526 Datasheet(PDF) 109 Page - Microchip Technology

PIC16F1526 Datasheet(HTML) 109 Page - Microchip Technology

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL