Rainbow-electronics AT77C104B Manuel d'utilisateur télécharger pdf (Page 12)

AT77C104B

5347B–BIOM–08/04

Status Register Register Name:Status (8 bits)

Access Type:Read Only

Function:State of AT77C104B

• 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 ... 7 8 9 10 11 12 13 14 15 16 17 ... 35 36

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Rainbow-electronics AT77C104B Manuel d'utilisateur Page 12