Rainbow-electronics AT90LS4433 Manual de usuario descargar pdf (Pagina 83)

83

AT90S/LS4433

1042G–AVR–09/02

Figure 58. Port D Schematic Diagram (Pin PD1)

Figure 59. Port D Schematic Diagram (Pins PD2 and PD3)

DATA BUS

D

D

Q

Q

RESET

RESET

C

C

WD

WP

RD

RP

RL

MOS

PULL-

UP

PD1

R

R

WP:

WD:

RL:

RP:

RD:

TXD:

TXEN:

WRITE PORTD

WRITE DDRD

READ PORTD LATCH

READ PORTD PIN

READ DDRD

UART TRANSMIT DATA

UART TRANSMIT ENABLE

DDD1

PORTD1

TXEN

TXD

1 2 ... 78 79 80 81 82 83 84 85 86 87 88 ... 124 125

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