TCS3471 Datasheet, PDF (12/23 Pages) TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS – COLOR LIGHT-TO-DIGITAL CONVERTER

TCS3471
COLOR LIGHT-TO-DIGITAL CONVERTER
TAOS115 − MARCH 2011
Register Set
The TCS3471 is controlled and monitored by data registers and a command register accessed through the
serial interface. These registers provide for a variety of control functions and can be read to determine results
of the ADC conversions. The register set is summarized in Table 1.
Table 1. Register Address
ADDRESS
−−
0x00
lid ^0x01
0x03
0x04
a _0x05
v ^0x06
0x07
ill ^0x0C
0x0D
0x0F
t _0x12
G _{s 0x13}
0x14
A ^t _0x15
0x16
s ^{n 0x17}
e 0x18
m ^{t 0x19}
0x1A
a ^{n 0x1B}
RESISTER NAME
COMMAND
ENABLE
ATIME
WTIME
AILTL
AILTH
AIHTL
AIHTH
PERS
CONFIG
CONTROL
ID
STATUS
CDATA
CDATAH
RDATA
RDATAH
GDATA
GDATAH
BDATA
BDATAH
R/W
REGISTER FUNCTION
W Specifies register address
R/W Enables states and interrupts
R/W RGBC ADC time
R/W Wait time
R/W RGBC interrupt low threshold low byte
R/W RGBC interrupt low threshold high byte
R/W RGBC interrupt high threshold low byte
R/W RGBC interrupt high threshold high byte
R/W Interrupt persistence filters
R/W Configuration
R/W Gain control register
R Device ID
R Device status
R Clear ADC low data register
R Clear ADC high data register
R Red ADC low data register
R Red ADC high data register
R Green ADC low data register
R Green ADC high data register
R Blue ADC low data register
R Blue ADC high data register
RESET VALUE
0x00
0x00
0xFF
0xFF
0x00
0x00
0x00
0x00
0x00
0x00
0x00
ID
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
o _{The mechanics of accessing a specific register depends on the specific protocol used. See the section on I2C}
c _{protocols on the previous pages. In general, the COMMAND register is written first to specify the specific}
Technical ^{control/status register for the following read/write operations.}
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Copyright E 2011, TAOS Inc.
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