Rainbow-electronics AT90S2313 Manual do Utilizador descarregar pdf (Página 59)

59

AT90S2313

0839I–AVR–06/02

Figure 47. Port D Schematic Diagram (Pins PD4 and PD5)

Figure 48. Port D Schematic Diagram (Pin PD6)

DATA BUS

D

D

Q

Q

RESET

RESET

C

C

WD

WP

RD

MOS

PULL-

UP

PDn

R

R

WP:

WD:

RL:

RP:

RD:

n:

m:

WRITE PORTD

WRITE DDRD

READ PORTD LATCH

READ PORTD PIN

READ DDRD

4, 5

0, 1

DDDn

PORTDn

SENSE CONTROL

TIMERm CLOCK

SOURCE MUX

CSm2

CSm0

RL

RP

CSm1

1 2 ... 54 55 56 57 58 59 60 61 62 63 64 ... 91 92

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