Rainbow-electronics AT77C104B Manual de usuario descargar pdf (Pagina 14)

AT77C104B

5347B–BIOM–08/04

Enctrl Register Register Name:Enctrl (7 bits)

Access Type:Read/Write

Function:Interrupts control

• CLICKEN: click interrupts enable

0: default

1: click IRQ enabled

IRQ is generated when a click is detected.

• MOVEN: movement interrupts enable

0: default

1: movement IRQ enabled

IRQ is generated when an X or Y movement is detected.

• TRANSITEN: not used, for testing only

• SLICEN: not used, for testing only

• READERREN: read error interrupts enable

0: default

1: read error IRQ enabled

IRQ is generated when a read error is detected.

Note: The interrupt is cleared after the status register is read.

Heatctrl Register Register Name:Heatctrl (7 bits)

Access Type:Read/Write

Function:Heating control

• HEAT: sensor heating

0: default, no heating

1: heating

The default value is recommended to optimize power consumption.

• WDOGEN: watchdog enable

0: default

1: watchdog enabled

Watchdog automatically stops heating of the sensor after a time-out.

b6 b5 b4 b3 b2 b1 b0

CLICKEN MOVEN TRANSITEN SLICEN READERREN – –

0000000

b6 b5 b4 b3 b2 b1 b0

HEAT WDOGEN HEATV (MSB) HEATV(LSB) – – –

0000000

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Rainbow-electronics AT77C104B Manual de usuario Pagina 14