Rainbow-electronics AT90LS4433 Manual do Utilizador descarregar pdf (Página 75)

75

AT90S/LS4433

1042G–AVR–09/02

Figure 51. Port B Schematic Diagram (Pin PB1)

Figure 52. Port B Schematic Diagram (Pin PB2)

PB1

DDB1

PORTB1

WP:

WD:

RL:

RP:

RD:

WRITE PORTB

WRITE DDRB

READ PORTB LATCH

READ PORTB PIN

READ DDRB

DATA BUS

D

D

Q

Q

RESET

RESET

C

C

WD

WP

RD

MOS

PULL-

UP

PB2

SPI SS

MSTR

SPE

WP:

WD:

RL:

RP:

RD:

MSTR:

SPE:

WRITE PORTB

WRITE DDRB

READ PORTB LATCH

READ PORTB PIN

READ DDRB

SPI MASTER ENABLE

SPI ENABLE

DDB2

PORTB2

RL

RP

1 2 ... 70 71 72 73 74 75 76 77 78 79 80 ... 124 125

Comentários a estes Manuais

Sem comentários