TMD4903 Datasheet, PDF (30/86 Pages) ams AG – Color and Proximity Sensor Module with mobeam

TMD4903− RegisterDescription
Proximity Configuration Register Zero
(PGCFG0 0x8E)
PGCFG0 has fields that set the amount of time the LDR driver is
sinking current during a proximity pulse and set the maximum
number of pulses for each proximity sample.
Figure 34:
Proximity Configuration Register Zero
7
6
5
4
3
2
PGPULSE_LEN
PPULSE
1
0
Field
PGPULSE_LEN
PPULSE
Bits
7:6
5:0
Description
Proximity Pulse Length. Sets the LED-ON pulse width during a Proximity
Pulse.
VALUE
LED ON
0
4μs
1
8μs
2
16μs
3
32μs
Proximity Pulse Count. Specifies the maximum number of Proximity
pulses to be generated on LDR. The pulse count can be set between 1 and
64 pulses. The number of pulses is equal to the PPULSE value plus 1.
Page 30
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ams Datasheet
[v1-12] 2015-May-14