Rainbow-electronics T89C51AC2 Manual do Utilizador descarregar pdf (Página 104)

104

T89C51AC2

Rev. B – 19-Dec-01

18.4.12 Float Waveforms

For timing purposes as port pin is no longer floating when a 100 mV change from load

voltage occurs and begins to float when a 100 mV change from the loaded V

level

occurs. I

≥±20mA.

18.4.13 Clock Waveforms Valid in normal clock mode. In X2 mode XTAL2 must be changed to XTAL2/2.

FLOAT

-0.1V

+0.1V

LOAD

+0.1V

LOAD

-0.1V

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Rainbow-electronics T89C51AC2 Manual do Utilizador Página 104