Texas Instruments LM3533 Evaluation Module LM3533EVAL/NOPB LM3533EVAL/NOPB Datenbogen
Produktcode
LM3533EVAL/NOPB
LM3533 Graphical User Interface
Table 27. Down Delay (0x33)
Bits [4:0]
Down Delay Settings
(# Indicates total average periods required to force a change in the down direction)
00000 = 6 (Default)
:
:
:
11111 = 37
Table 28. Zone Information (0x34)
Bits [4:2]
Bit 1
Bit 0
Average Zone Information Bits
Zone Change Bit
Interrupt Enable Bit
000 = Zone 0 (Default)
0 = no change in the ALS zone since the last
0 = INT Mode Disabled (Default)
001 = Zone 1
read back of this register (Default)
1 = INT Mode Enabled
010 = Zone 2
1 = the ALS zone has changed. A read back
011 = Zone 3
of this
1XX = Zone 4
Table 29. ADC Readback (0x37)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
MSB
LSB
Data
Data
Data
Data
Data
Data
Data
Data
Table 30. Read-Average ADC Register (ADDRESS 0x38)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
MSB
LSB
Data
Data
Data
Data
Data
Data
Data
Data
Table 31. Zone Boundaries
Name
Address
Function
Zone 0H
0x50
ALS Zone Boundary 0 High
Zone 0L
0x51
ALS Zone Boundary 0 Low
Zone 1H
0x52
ALS Zone Boundary 1 High
Zone 1L
0x53
ALS Zone Boundary 1 Low
Zone 2H
0x54
ALS Zone Boundary 2 High
Zone 2L
0x55
ALS Zone Boundary 2 Low
Zone 3H
0x56
ALS Zone Boundary 3 High
Zone 3L
0x57
ALS Zone Boundary 3 Low
Note: Each Zone Boundary register is 8 bits with a maximum voltage of 2V. This gives a step size for
each Zone Boundary Register bit of:
each Zone Boundary Register bit of:
(7)
18
AN-2250 LM3533 Evaluation Kit
SLOA172B – June 2012 – Revised April 2013
Copyright © 2012–2013, Texas Instruments Incorporated