Rainbow-electronics AT77C105A Manuel d'utilisateur télécharger pdf (Page 14)

AT77C105A [Preliminary]

5419A–BIOM–01/05

Status Register Register Name: Status (8 bits)

Access Type: Read Only

Function: State of AT77C105A

• CLICK: Click detection

0: default

1: click detected

• MOV: Movement detection

0: default

1: X or Y movement detected

• TRANSIT: Not used, for testing only

•SLICE: Not used, for testing only

• READERR: Read error detection

0: default, no error

1: read error detected

Note: To clear the interrupts, the status register is initialized after each reading from the host.

b7 b6 b5 b4 b3 b2 b1 b0

CLICK MOV

TRANSIT

SLICE READERR – – –

00000000

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 38 39

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Rainbow-electronics AT77C105A Manuel d'utilisateur Page 14