Datasheet

LMP90100
www.ti.com SNAS510P –JANUARY 2011–REVISED MARCH 2013
Table 16. CH_SCAN: Channel Scan Mode (Address 0x1F) (continued)
Bit Bit Symbol Bit Description
Starting channel for conversion
0x0 (default): CH0
0x1: CH1
0x2: CH2
FIRST_CH
0x3: CH3
[2:0] (CH4 to CH6 for LMP90100 and
0x4: CH4
LMP90099 only)
0x5: CH5
0x6: CH6
Note: FIRST_CH cannot be greater than LAST_CH. For example, if FIRST_CH = CH1, then
LAST_CH cannot be CH0. If 0x7 is written it is ignored.
Note: While writing to the CH_SCAN register, if 0x7 is written to FIRST_CH or LAST_CH the write to the entire
CH_SCAN register is ignored.
Table 17. CHx_INPUTCN: Channel Input Control (CH4 to CH6 for LMP90100/LMP9099 only)
(1)
Bit Bit Symbol Bit Description
Enable sensor diagnostic
7 BURNOUT_EN 0 (default): Disable Sensor Diagnostics current injection for this Channel
1: Enable Sensor Diagnostics current injection for this Channel
Select the reference
6 VREF_SEL 0 (Default): Select VREFP1 and VREFN1
1: Select VREFP2 and VREFN2
Positive input select
0x0: VIN0
0x1: VIN1
0x2: VIN2
0x3: VIN3 (LMP90100/LMP90099 only)
[5:3] VINP
0x4: VIN4 (LMP90100/LMP90099 only)
0x5: VIN5 (LMP90100/LMP90099 only)
0x6: VIN6
0x7: VIN7
Note: to see the default values for each channel, refer to the table below.
Negative input select
0x0: VIN0
0x1: VIN1
0x2: VIN2
0x3: VIN3 (LMP90100/LMP90099 only)
[2:0] VINN
0x4: VIN4 (LMP90100/LMP90099 only)
0x5: VIN5 (LMP90100/LMP90099 only)
0x6: VIN6
0x7: VIN7
Note: to see the default values for each channel, refer to the table below.
(1) Register Address (hex):
(a) CH0: 0x20
(b) CH1: 0X22
(c) CH2: 0x24
(d) CH3: 0x26
(e) CH4: 0x28
(f) CH5: 0x2A
(g) CH6: 0x2C
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