Rainbow-electronics AT90LS4433 Manual do Utilizador descarregar pdf (Página 79)

AT90S/LS4433

1042G–AVR–09/02

Port C Schematics Note that all port pins are synchronized. The synchronization latch is, however, not

shown in the figure.

Figure 56. Port C Schematic Diagrams (Pins PC0 - PC5)

DATA BUS

RESET

MOS

PULL-

PCn

ADCn

TO ADC MUX

WP:

WD:

RL:

RP:

RD:

WRITE PORTC

WRITE DDRC

READ PORTC LATCH

READ PORTC PIN

READ DDRC

0 - 5

DDCn

PORTCn

PWRDN

PWRDN:

POWER DOWN MODE

1 2 ... 74 75 76 77 78 79 80 81 82 83 84 ... 124 125

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Rainbow-electronics AT90LS4433 Manual do Utilizador Página 79