Measurement-computing PCM-DAS16x/16 Manual do Utilizador descarregar pdf (Página 34)

Interrupt Source Control

The interrupt source is controlled by three bits.

INT2 INT1 INT0 Source

0 0 1 Pacer - Counter 2

0 1 0 External - Pin 7

0 1 1 FIFO Not Empty

1 0 0 FIFO Half Full

1 0 1 End of Channel Scan

The A/D trigger source is controlled by two bits.

TS1 TS0 Source

0 X Software Trigger

1 0 Rising Trigger Input, Pin 5

1 1 Pacer - Counter 2

The range of analog input is set by 4 bits.

G3 G2 G1 G0 Range

1000+/- 10 V

0000+/- 5 V (A/D Std.)

0001+/- 2.5 V

0010+/- 1.25 V

The digital I/O lines may be set as follows via 2 control bits.

UDIR LDIR Bits 7:4 Bits 3:0

0 0 Input Input

0 1 Input Output

1 0 Output Input

1 1 Output Output

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 40

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Measurement-computing PCM-DAS16x/16 Manual do Utilizador Página 34