TCS3404, TCS3414

DIGITAL COLOR SENSORS

TAOS137A − APRIL 2011

18

r

r

Copyright

E 2011, TAOS Inc.

The LUMENOLOGY

r Company

www.taosinc.com

Interrupt Source Register (03h)

The Interrupt Source register selects which ADC channel value to use to generate an interrupt. Only one of the

four ADC channels can be selected.

Table 7. Interrupt Source Register

6

75

4

INT SOURCE

2

31

0

0

00

0

0

00

0

Reset Value:

INT SOURCE

Resv

Resv

Resv

Resv

Resv

03h

Resv

FIELD

BITS

DESCRIPTION

Resv

7:2

Reserved. Write as 0.

Interrupt Source. Selects which ADC channel to use to generate an interrupt:

FIELD VALUE

INTERRUPT SOURCE

INT SOURCE

1:0

00

Green channel

INT SOURCE

1:0

01

Red channel

10

Blue channel

11

Clear channel

NOTE: The INTERRUPT THRESHOLD Register (08h−0Bh) should be configured appropriately to correspond to the ADC channel value that

generates an interrupt.

ID Register (04h)

The ID register provides the value for both the part number and silicon revision number for that part number.

It is a read-only register, whose value never changes.

Table 8. ID Register

6

75

4

REVNO

2

31

0

−

−−

−

−

−−

−

Reset Value:

ID

PARTNO

04h

FIELD

BITS

DESCRIPTION

PARTNO

7:4

Part Number Identification: field value 0000 = TCS3404

field value 0001 = TCS3413, TCS3414, TCS3415, and TCS3416

REVNO

3:0

Revision number identification