Sensoray 7429 Manual do Utilizador descarregar pdf (Página 47)

byte. This analysis ignores any additional time consumed by the host processor.

The read all channels command consumes 740 microseconds maximum as follows:

140 us command response delay plus 15 more data bytes with 40 us data queue delay.

Notice that reading a block of eight channels is faster when using the read all channels

command rather than invoking the read channel data command eight times.

PROCESSOR SPEED

Host processor speed is limited only by the bus interface circuitry on the sensor copro-

cessor board. The bus interface is designed to work with hosts operating at up to

16MHz. If you have a faster processor or a heavily loaded backplane, you may need to

insert wait states into your CPU's I/O cycles for reliable operation.

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Sensoray 7429 Manual do Utilizador Página 47