TMF8701 datasheet(27/66 Pages) AMSCO

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[v2-00] 2023-Feb-21

TMF8701 − Register Description

0x0A

Perform factory calibration in the final customer

application including cover glass, no ambient light and no

target.

The result from the factory calibration is stored from

0x0B

Set flag to download calibration (and algorithm state)

configuration to TMF8701.

cmd_data0 = bit mask which calibration/state data was

downloaded from the host to TMF8701 prior to setting

this command:

Bit 0 - dataFactoryCal: When 1 data from register 0x20

onward includes factory calibration

Bit 1 - dataAlgState: If set, also set dataFactoryCal=1. Data

from register 0x20 onwards includes factory calibration

and algorithm state.

0x0F

Set gpio control setting without actually performing a

measurement as commands 0x02 or 0x03 would do:

cmd_data0 = bits for GPIO control

Bits 3:0 - GPIO0 settings

0 – Disabled

1 - Input: Active low disables collection,

immediately abandoning current measurement.

Returning to high restarts new measurement

2 - Input: Active high disables collection,

immediately abandoning current measurement.

Returning to low restarts new measurement

3 - Output: VCSEL pulse output

4 - Output low

5 - Output high

6:15 – Reserved, do not use

Bits 7:4 - GPIO1 settings

0 - Disabled

1 - Input: Active low disables collection,

immediately abandoning current

measurement. Returning to high restarts new

measurement

2 - Input: Active high disables collection,

immediately abandoning current measurement.

Returning to low restarts new measurement

3 - Output: VCSEL pulse output

4 - Output low

5 - Output high

6:15 – Reserved, do not use

0x10: COMMAND

Field

Name

Reset

Type

Description

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