DSPIC30F0013AT-30IPT-ES datasheet(52/220 Pages) MICROCHIP

部件名	DSPIC30F0013AT-30IPT-ES

功能描述	High-Performance Digital Signal Controllers

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制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

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52 / 220 page

dsPIC30F3014/4013

DS70138C-page 50

Advance Information

 2004 Microchip Technology Inc.

EXAMPLE 6-5:

DATA EEPROM BLOCK WRITE

6.4

Write Verify

Depending on the application, good programming

practice may dictate that the value written to the mem-

ory should be verified against the original value. This

should be used in applications where excessive writes

can stress bits near the specification limit.

6.5

Protection Against Spurious Write

There are conditions when the device may not want to

write to the data EEPROM memory. To protect against

spurious EEPROM writes, various mechanisms have

been built-in. On power-up, the WREN bit is cleared;

also, the Power-up Timer prevents EEPROM write.

The write initiate sequence and the WREN bit together

help prevent an accidental write during brown-out,

power glitch, or software malfunction.

MOV

#LOW_ADDR_WORD,W0

; Init pointer

MOV

#HIGH_ADDR_WORD,W1

MOV

W1,TBLPAG

MOV

#data1,W2

; Get 1st data

TBLWTL

W2,[ W0]++

; write data

MOV

#data2,W2

; Get 2nd data

TBLWTL

W2,[ W0]++

; write data

MOV

#data3,W2

; Get 3rd data

TBLWTL

W2,[ W0]++

; write data

MOV

#data4,W2

; Get 4th data

TBLWTL

W2,[ W0]++

; write data

MOV

#data5,W2

; Get 5th data

TBLWTL

W2,[ W0]++

; write data

MOV

#data6,W2

; Get 6th data

TBLWTL

W2,[ W0]++

; write data

MOV

#data7,W2

; Get 7th data

TBLWTL

W2,[ W0]++

; write data

MOV

#data8,W2

; Get 8th data

TBLWTL

W2,[ W0]++

; write data

MOV

#data9,W2

; Get 9th data

TBLWTL

W2,[ W0]++

; write data

MOV

#data10,W2

; Get 10th data

TBLWTL

W2,[ W0]++

; write data

MOV

#data11,W2

; Get 11th data

TBLWTL

W2,[ W0]++

; write data

MOV

#data12,W2

; Get 12th data

TBLWTL

W2,[ W0]++

; write data

MOV

#data13,W2

; Get 13th data

TBLWTL

W2,[ W0]++

; write data

MOV

#data14,W2

; Get 14th data

TBLWTL

W2,[ W0]++

; write data

MOV

#data15,W2

; Get 15th data

TBLWTL

W2,[ W0]++

; write data

MOV

#data16,W2

; Get 16th data

TBLWTL

W2,[ W0]++

; write data. The NVMADR captures last table access address.

MOV

#0x400A,W0

; Select data EEPROM for multi word op

MOV

W0,NVMCON

; Operate Key to allow program operation

DISI

#5

; Block all interrupts with priority <7 for

; next 5 instructions

MOV

#0x55,W0

MOV

W0,NVMKEY

; Write the 0x55 key

MOV

#0xAA,W1

MOV

W1,NVMKEY

; Write the 0xAA key

BSET

NVMCON,#WR

; Start write cycle

NOP

类似零件编号 - DSPIC30F0013AT-30IPT-ES

制造商	部件名	数据表	功能描述
Microchip Technology	DSPIC30F0013AT-30I	3Mb / 210P	High-Performance, 16-bit Digital Signal Controllers 08/04/10
	DSPIC30F0013AT-30I	3Mb / 210P	High-Performance, 16-bit Digital Signal Controllers 08/04/10
	DSPIC30F0013AT-30I/P	3Mb / 206P	High-Performance, 16-bit Digital Signal Controllers 2008
	DSPIC30F0013AT-30I/P	1Mb / 220P	High-Performance, 16-bit Digital Signal Controllers 12/08/06
	DSPIC30F0013AT-30I/P	3Mb / 220P	High-Performance, 16-Bit Digital Signal Controllers 12/08/06

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类似说明 - DSPIC30F0013AT-30IPT-ES

制造商	部件名	数据表	功能描述
Microchip Technology	DSPIC30F6010	5Mb / 218P	High-Performance Digital Signal Controllers 2004
	DSPIC30F6014	3Mb / 222P	High Performance Digital Signal Controllers 2004
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	DSPIC30F6011A	3Mb / 238P	High-Performance Digital Signal Controllers 2005
	DSPIC30F6010A	3Mb / 236P	High-Performance, 16-bit Digital Signal Controllers 2011
	DSPIC30F2010	2Mb / 204P	High-Performance, 16-bit Digital Signal Controllers 2008
	DSPIC33FJXXXMCX06A	2Mb / 352P	High-Performance, 16-bit Digital Signal Controllers 2009
	DSPIC30F2011	3Mb / 206P	High-Performance, 16-bit Digital Signal Controllers 2008
	DSPIC33FJ12MC201MM	4Mb / 284P	High-Performance, 16-Bit Digital Signal Controllers 2007

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