ADNS-2220 Avago Technologies US Inc., ADNS-2220 Datasheet - Page 29

• Manufacturer Part Number: ADNS-2220
• Description: SOLID STATE OPTICAL MOUSE LENS
• Manufacturer: Avago Technologies US Inc.

Specifications of ADNS-2220

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: Q2072083A

Data_Out_Lower
Access: Read
Data_Out_Upper
Access: Read
Data Type: Sixteen bit word.
USAGE: Data in these registers come from the system self test or the SROM CRC test. The data can be read out 0x0d,
or 0x0d first, then 0x0c.
System Test: This test is initiated via the Configuration_Bits register. It performs several tests to verify that the hardware
is functioning correctly. Perform a hardware reset just prior to running the test. SROM contents and register settings
will be lost.
SROM CRC Test: Performs a CRC on the SROM contents. The test is initiated by writing a particular value to the
SROM_Enable register.
29
Field
Field
Bit
Bit
SROM CRC Test Result:
System test results:
DO
DO
7
7
15
7
DO
DO
6
6
Data_Out_Upper
14
6
0x1B
0xBE
DO
DO
5
5
Reset Value: Undefined
Reset Value: Undefined
13
5
Data_Out_Lower
Address: 0x0c
Address: 0x0d
DO
DO
0xBF
0xEF
4
4
12
4
DO
DO
3
3
11
3
DO
DO
2
2
10
2
DO
DO
1
1
9
1
DO
DO
0
0
8
0