ADNS-3050 Avago Technologies US Inc., ADNS-3050 Datasheet - Page 25

• Manufacturer Part Number: ADNS-3050
• Description: Optical Sensors - Board Mount Optical Nav Sensor
• Manufacturer: Avago Technologies US Inc.

Specifications of ADNS-3050

• Lead Free Status / Rohs Status: Details

PREFLASH_RUN_DARK
Access: Read/Write
Data Type: Bit field
USAGE:
MOTION_EXT
Access: Read
Data Type: Bit field
USAGE:
25
Bit
7
6:0
Bit
7
6
5
4
3
2:0
This register usage is to turn on LED to saturate sensor array before electronic shutter is open on dark surface.
This register is store the status of current motion that occurred.
Field
Field MOT_EXT
Bit 7
Bit 7
Field Name
MOTION_EXT
PG_VALID
PG_FIRST
Delta Y overfl ow
Delta X overfl ow
Reserved
Field Name
PREFLASH_CTRL_D
PREFLASH_T_D
PREFLASH_
CTRL_D
Address: 0x18
Reset Value: 0x80
Address: 0x1b
Reset Value: 0x00
6
PREFLASH_
T_D
6
PG_VALID
Description
0: Prefl ash control during idle state.
1: Prefl ash control during processing state.
PREFLASH_T_D
PREFLASH_CTRL=1: Prefl ash time = Processing time -
PREFLASH_T_D*32*clk_period + Idle time
PREFLASH_CTRL=0: Prefl ash time =
PREFLASH_T_D*64*clk_period
[if PREFLASH_T_D > Processing time/32 (~110 counts),
Prefl ash time = Idle time]
Description
0: No Motion default
1: Motion occurred
1: Pixel Grabber Valid
1: Pixel Grabber First
0: No Overfl ow
1: Delta Y overfl ow
0: No Overfl ow
1: Delta Y overfl ow
Reserved
5
PREFLASH_
T_D
5
PG_FIRST
4
PREFLASH_
T_D
4
DEL_Y_
OVERFLOW
3
PREFLASH_
T_D
3
DEL_X_
OVER FLOW
2
PREFLASH_
T_D
2
RSVD
1
PREFLASH_
T_D
1
RSVD
0
RSVD
0
PREFLASH_
T_D