ADNS-9500 Avago Technologies US Inc., ADNS-9500 Datasheet - Page 38

• Manufacturer Part Number: ADNS-9500
• Description: Ultimate Gaming Laser Sensor
• Manufacturer: Avago Technologies US Inc.

Specifications of ADNS-9500

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

Data_Out_Lower
Access: Read Only
Data_Out_Upper
Access: Read Only
Data Type: 16-bit word.
USAGE: Data in these registers come from the SROM CRC test. The data can be read out in either order. The SROM CRC
SROM_ID
Access: Read Only
Data Type: 8-bit unsigned integer.
USAGE: Contains the revision of the downloaded Shadow ROM (SROM) firmware. If the firmware has been success-
Lift_Detection_Thr
Access: R/W
Data Type: 8-bit unsigned integer.
USAGE: To configure the lift detection from the nominal Z-height of 2.4mm of navigation system when ADNS-9500
38
Bit
Field
Bit
Field
Bit
Field
Bit
Field
test is initiated by writing 0x15 to SROM_Enable register.
fully downloaded and the chip is operating out of SROM, this register will contain the SROM firmware revision;
otherwise it will contain 0x00.
sensor is coupled with ADNS-6190-002 lens. Higher value will result in higher lift detection. Different surfaces
will have different lift detection values with same setting due to different surface characteristic.
CRC Result
SROM CRC test
7
DO
7
DO
7
SR
7
Reserve
7
7
15
Reserve
6
DO
6
DO
6
SR
6
6
6
14
Data_Out_Upper
BE
Address: 0x25
Reset Value: Undefined
Address: 0x26
Reset Value: Undefined
Address: 0x2A
Reset Value: 0x00
Address: 0x2E
Reset Value: 0x10
5
DO
5
DO
5
SR
5
Reserve
5
5
13
4
DO
4
DO
4
SR
4
LD_Thr
4
4
12
4
3
DO
3
DO
3
SR
3
LD_Thr
3
3
11
Data_Out_Lower
EF
3
2
DO
2
DO
2
SR
2
LD_Thr
2
2
10
2
1
DO
1
DO
1
SR
1
LD_Thr
1
1
9
1
0
DO
0
DO
0
SR
0
LD_Thr
0
0
8
0