ADNS-5020 Avago Technologies US Inc., ADNS-5020 Datasheet - Page 16

• Manufacturer Part Number: ADNS-5020
• Description: Optoelectronic Miscellaneous, Other
• Manufacturer: Avago Technologies US Inc.

Specifications of ADNS-5020

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Product_ID
Access: Read
Data Type: 8-Bit unsigned integer
USAGE: This register contains a unique identification assigned to the ADNS-5020. The value in this register does not change; it can be used to verify that the
Revision_ID
Access: Read
Data Type: 8-Bit unsigned integer
USAGE: This register contains the IC revision. It is subject to change when new IC versions are released.
Motion
Access: Read/Write
Data Type: Bit field.
USAGE: Register 0x02 allows the user to determine if motion has occurred since the last time it was read. If the MOT bit is set, then the user should
16
serial communications link is functional.
read registers 0x03 and 0x04 to get the accumulated motion. Read this register before reading the Delta_X and Delta_Y registers.
Writing anything to this register clears the MOT bit, Delta_X and Delta_Y registers. The written data byte is not saved.
Field Name
MOT
Reserved
Bit
Field
Bit
Field
Bit
Field
7
PID
7
RID
7
MOT
Address: 0x00
Reset Value: 0x12
Address: 0x01
Reset Value: 0x00
Address: 0x02
Reset Value: 0x00
7
7
6
PID
6
RID
6
Reserved
6
6
Description
Motion since last report
0 = No motion
1 = Motion occurred, data ready for reading in Delta_X and Delta_Y registers
Reserved
5
PID
5
RID
5
Reserved
5
5
4
PID
4
RID
4
Reserved
4
4
3
PID
3
RID
3
Reserved
3
3
2
PID
2
RID
2
Reserved
2
2
Reserved
1
PID
1
RID
1
1
1
0
Reserved
0
PID
0
RID
0
0