PIC10F320 datasheet(65/210 Pages) MICROCHIP

Part #	PIC10F320

Description	6/8-Pin, High-Performance, Flash Microcontrollers

PDF	210 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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65 / 210 page

 2011 Microchip Technology Inc.

Preliminary

DS41585A-page 65

PIC10(L)F320/322

FIGURE 9-6:

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

Write 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 9-3

PIC10F320 Datasheet(PDF) 65 Page - Microchip Technology

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