Rainbow-electronics AT90S2313 Manual de usuario descargar pdf (Pagina 58)

58

AT90S2313

0839I–AVR–06/02

Figure 45. Port D Schematic Diagram (Pin PD1)

Figure 46. 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 ... 53 54 55 56 57 58 59 60 61 62 63 ... 91 92

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