TCS3471 Datasheet, PDF (13/23 Pages) TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS – COLOR LIGHT-TO-DIGITAL CONVERTER

TCS3471
COLOR LIGHT-TO-DIGITAL CONVERTER
TAOS115 − MARCH 2011
Command Register
The command registers specifies the address of the target register for future write and read operations.
Table 2. Command Register
7
6
5
4
3
2
1
0
COMMAND _COMMAND
FIELD
lid COMMAND
TYPE
BITS
7
6:5
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4:0
TYPE
ADD
−−
DESCRIPTION
Select Command Register. Must write as 1 when addressing COMMAND register.
Selects type of transaction to follow in subsequent data transfers:
FIELD VALUE
INTEGRATION TIME
00
Repeated byte protocol transaction
01
Auto-increment protocol transaction
10
Reserved — Do not use
11
Special function — See description below
Byte protocol will repeatedly read the same register with each data access.
Block protocol will provide auto-increment function to read successive bytes.
Address field/special function field. Depending on the transaction type, see above, this field either
specifies a special function command or selects the specific control-status-register for following write and
read transactions. The field values listed below apply only to special function commands:
FIELD VALUE
READ VALUE
00000
Normal — no action
00110
RGBC interrupt clear
other
Reserved — Do not write
RGBC Interrupt Clear. Clears any pending RGBC interrupt. This special function is self clearing.
Copyright E 2011, TAOS Inc.
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The LUMENOLOGY r Company
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