HSDL-7001(1996) Просмотр технического описания (PDF) - HP => Agilent Technologies

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производитель

HSDL-7001
(Rev.:1996)

IR 3/16 Encode/Decode IC

HP => Agilent Technologies 

Monoshot Operation

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26

CRYSTAL

CLK

INT CLK

(DIVBY2)

TXD

INTERNAL

IRTXD

OUTPUT

IRTXD

(MONOSHOT)

6 CRYSTAL CYCLES

The figure above illustrates the

operation of the monoshot when

the internal clock is set to divide

by 2 mode, i.e., when A2=0,

A1=0, and A0=0. A rising edge

on the internal modulation state

machine (IRTXD OUTPUT), will

cause the output on the IRTXD to

go up for 6 crystal clock cycles.

With a 3.6864 MHz clock, this

corresponds to a pulse of 1.63 µs.

The duration of this pulse is

independent of the code A2,

A1,A0 and is always 6 clock

cycles of the crystal, corre-

sponding to the monoshot

operation.

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