SML2120 Datasheet, PDF (25/32 Pages) Summit Microelectronics, Inc. – Programmable Adaptive Laser Power Controller with Dual Lookup Tables

SML2120
Configuration Register 6 - Address 0x106
This register contains the ADC input, scale, and offset fields for Lookup Table 0 (LUT0).
Bits
Default
Description
76543210
0
Lookup Table 0 update disable. When this bit is cleared, updates to
ILU0 are allowed.
0b0
1
Lookup Table 0 update disable. When this bit is set, updates to ILU0
are not allowed.
00
ADC input source for LUT0. Indicates the THERMISTOR pin as the
ADC input source for lookup table 0.
01
10
0b11
ADC input source for LUT0. Indicates the EXT_TEMP pin (voltage) as
the ADC input source for lookup table 0.
ADC input source for LUT0. Indicates the EXT_TEMP pin (current) as
the ADC input source for lookup table 0.
11
ADC input source for LUT0. Indicates the BIAS current as the ADC
input source for lookup table 0.
00
ADC scale source 0. Indicates a scale factor of 1x.
01
10
ADC scale source 0. Indicates a scale factor of 2x.
0b00
ADC scale source 0. Indicates a scale factor of 4x.
11
ADC scale source 0. Indicates a scale factor of 8x.
000
ADC offset source 0. Indicates the ADC offset for Lookup Table 0.
Offset = Full Scale * 0/8
001
Offset = Full Scale * 7/8
010
Offset = Full Scale * 6/8
0 1 1 _0b000 Offset = Full Scale * 5/8
100
Offset = Full Scale * 4/8
101
Offset = Full Scale * 3/8
110
Offset = Full Scale * 2/8
111
Offset = Full Scale * 1/8
Table 12. Configuration Register 6 Bitmap
Summit Microelectronics
2066 6.3 1/22/04
25