SML2120

26

2066 6.3 1/22/04

Summit Microelectronics

Configuration Register 7 - Address 0x107

This register contains the ADC input, scale, and offset fields for Lookup Table 1 (LUT1).

Bits

Default

Description

76

54321

0

0

0b0

Lookup Table 1 update disable. When this bit is cleared, updates to

ILU1 are allowed in auto-monitor mode.

1

Lookup Table 1 update disable. When this bit is set, updates to ILU1

are not allowed in auto-monitor mode.

00

0b00

ADC input source for LUT1. Indicates the THERMISTOR pin as the

ADC input source for lookup table 1.

01

ADC input source for LUT1. Indicates the EXT_TEMP pin (voltage) as

the ADC input source for lookup table 1.

10

ADC input source for LUT1. Indicates the EXT_TEMP pin (current) as

the ADC input source for lookup table 1.

11

ADC input source for LUT1. Indicates the BIAS current as the ADC

input source for lookup table 1.

00

0b00

ADC scale source 1. Indicates a scale factor of 1x.

0

1

ADC scale source 1. Indicates a scale factor of 2x.

1

0

ADC scale source 1. Indicates a scale factor of 4x.

1

1

ADC scale source 1. Indicates a scale factor of 8x.

000

0b000

ADC offset source 1. Indicates the ADC offset for Lookup Table 1.

Offset = Full Scale * 0/8

0

0

1

Offset = Full Scale * 7/8

0

1

0

Offset = Full Scale * 6/8

0

1

1

Offset = Full Scale * 5/8

1

0

0

Offset = Full Scale * 4/8

1

0

1

Offset = Full Scale * 3/8

1

1

0

Offset = Full Scale * 2/8

1

1

1

Offset = Full Scale * 1/8

Table 13. Configuration Register 7 Bitmap