AT89C5131A-RDTUM datasheet(35/188 Pages) ATMEL

전자부품 데이터시트 검색엔진

ALLDATASHEET.CO.KR

AT89C5131A-RDTUM 데이터시트(PDF) 35 Page - ATMEL Corporation

부품명	AT89C5131A-RDTUM

상세설명	8-bit Flash Microcontroller with Full Speed USB Device

PDF	188 Pages

Scroll/Zoom	100%

제조업체	ATMEL [ATMEL Corporation]

홈페이지	http://www.atmel.com

Logo

35 / 188 page

4337K–USB–04/08

AT89C5130A/31A-M

Figure 8-6.

Flash and Extra Row Programming Procedure

8.3.6.3

Hardware Security

The following procedure is used to program the Hardware Security space and is summarized in

Figure 8-7:

• Set FPS and map Hardware byte (FCON = 0x0C)

• Disable the interrupts.

• Load DPTR at address 0000h.

• Load Accumulator register with the data to load.

• Execute the MOVX @DPTR, A instruction.

• Launch the programming by writing the data sequence 54h followed by A4h in FCON

The end of the programming indicated by the FBusy flag cleared.

• Enable the interrupts.

Flash Spaces

Programming

Disable IT

EA = 0

Launch Programming

FCON = 5xh

FCON = Axh

End Programming

Enable IT

EA = 1

Column Latches Loading

see Figure 8-5

FBusy

Cleared?

Erase Mode

FCON = 00h

ALLDATASHEET 가 귀하에 도움이 되셨나요? [ DONATE ]
Alldatasheet는? \| 광고문의 \| 운영자에게 연락하기 \| 개인정보취급방침 \| 링크 투 데이터시트 \| 링크교환 \| 제조사별 검색 All Rights Reserved©Alldatasheet.com
Mirror Sites English : Alldatasheet.com \| English : Alldatasheet.net \| Chinese : Alldatasheetcn.com \| German : Alldatasheetde.com \| Japanese : Alldatasheet.jp Russian : Alldatasheetru.com \| Korean : Alldatasheet.co.kr \| Spanish : Alldatasheet.es \| French : Alldatasheet.fr \| Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com \| Polish : Alldatasheet.pl \| Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in \| Mexican : Alldatasheet.com.mx \| British : Alldatasheet.co.uk \| New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com \| icmetro.com

ALLDATASHEET 가 귀하에 도움이 되셨나요? [ DONATE ]

Family Site : ic2ic.com | icmetro.com