Rainbow-electronics AT89LS51 Manual do Utilizador descarregar pdf (Página 15)

15

AT89LS51

3053A–8051–05/02

Figure 4. Programming the Flash Memory (Parallel Mode)

Figure 5. Verifying the Flash Memory (Parallel Mode)

P1.0-P1.7

P2.6

P3.6

P2.0 - P2.3

A0 - A7

ADDR.

0000H/FFFH

SEE FLASH

PROGRAMMING

MODES TABLE

3 - 16 MHz

P0

P2.7

PGM

DATA

PROG

V/V

IH PP

V

IH

ALE

P3.7

XTAL2 EA

RST

PSEN

XTAL

1

GND

V

CC

AT89S51

P3.3

P3.0

RDY/

BSY

A8 - A11

4.5V - 5.5V

P1.0-P1.7

P2.6

P3.6

P2.0 - P2.3

A0 - A7

ADDR.

0000H/FFFH

SEE FLASH

PROGRAMMING

MODES TABLE

3 - 16 MHz

P0

P2.7

PGM DATA

(USE 10K

PULLUPS)

V

IH

V

IH

ALE

P3.7

XTAL2 EA

RST

PSEN

XTAL1

GND

V

CC

AT89S51

P3.3

A8 - A11

4.5V - 5.5V

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 28 29

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