TCS3771 Datasheet, PDF (20/33 Pages) ams AG – COLOR LIGHT-TO-DIGITAL CONVERTER with PROXIMITY SENSING

TCS3771
COLOR LIGHT-TO-DIGITAL CONVERTER
with PROXIMITY SENSING
TAOS110A − MARCH 2011
RGBC Timing Register (0x01)
The RGBC timing register controls the internal integration time of the RGBC clear and IR channel ADCs in
2.4-ms increments.
Table 4. RGBC Timing Register
FIELD
BITS
DESCRIPTION
lid ^ATIME
7:0
VALUE
0xFF
0xF6
0xD6
0xAD
0x00
INTEG_CYCLES
1
10
42
64
256
TIME
2.4 ms
24 ms
101 ms
154 ms
614 ms
MAX COUNT
1024
10240
43008
65535
65535
va _{Proximity Time Control Register (0x02)}
ill ^{The proximity timing register controls the integration time of the proximity ADC in 2.4 ms increments. It is}
recommended that this register be programmed to a value of 0xFF (1 cycle, 1023 bits).
t _{Max Prox Count = ((256 − PTIME) × 1024)) − 1 up to a maximum of 65535}
AG ^{t s} _FIELD
s _en ^PTIME
BITS
7:0
Table 5. Proximity Time Control Register
VALUE
0xFF
DESCRIPTION
INTEG_CYCLES
1
TIME
2.4 ms
MAX COUNT
1023
am nt Wait Time Register (0x03)
Wait time is set 2.4 ms increments unless the WLONG bit is asserted in which case the wait times are 12× longer.
o _{WTIME is programmed as a 2’s complement number.}
l ^c _FIELD
Technica ^WTIME
BITS
7:0
Table 6. Wait Time Register
REGISTER VALUE
0xFF
0xAB
0x00
DESCRIPTION
WAIT TIME
TIME (WLONG = 0)
1
2.4 ms
85
204 ms
256
614 ms
TIME (WLONG = 1)
0.029 sec
2.45 sec
7.4 sec
The LUMENOLOGY r Company
r
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www.taosinc.com
Copyright E 2011, TAOS Inc.
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