TMD37003M datasheet(21/46 Pages) AMSCO

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ams Datasheet

Page 21

[v1-02] 2016-Aug-19

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TMD3700 − Register Description

CFG0 Register (0x8D)

Figure 29:

CFG0 Register

This register controls the interrupt filtering capabilities of the

device. Configurable filtering is provided to allow interrupts to

be generated after either a proximity or ALS integration cycle

or if the integration cycle has produced a result that is outside

of the values specified by threshold register for some specified

number of times. Separate filtering is provided for proximity

and ALS functions.

ALS interrupts are generated by looking only at the ADC

integration results of the C channel photodiode.

PCFG0 Register (0x8E)

Figure 30:

PCFG0 Register

0x8D: CFG0

Field

Name

Reset

Type

Description

7:3

Reserved

1 0 0 0 0

Reserved. Must be set to 10000.

2wlong

Wait Long. When asserted, the wait cycle is increased

by a factor 12x from that programmed in the WTIME

1:0

Reserved

0 0

Reserved. Must be set to 00.

0x8E: PCFG0

Field

Name

Reset

Type

Description

7:6

ppulse_len

Proximity Pulse Length.

Value

Pulse Length

04μs

18μs

216μs

332μs

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