Rainbow Electronics AT77C104B - Manual (Page 12)

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 – – –
0 0 0 0 0 0 0 0