TMD37827 datasheet(26/34 Pages) AMSCO

26 / 34 page

TMD3782 – 26

Datasheet - Mar. 2013 - V2

Clear, red, green, and blue data is stored as 16-bit values. To

ensure the data is read correctly, a two-byte read I2C transaction

should be used with a read word protocol bit set in the

command register. With this operation, when the lower byte

The upper register will read the correct value even if additional

ADC integration cycles end between the reading of the lower

and upper registers.

Figure TMD3782 – 39:

RGBC Data Registers.

Proximity data is stored as a 16-bit value. To ensure the data is

read correctly, a two-byte read I2C transaction should be used

with a read word protocol bit set in the command register. With

this operation, when the lower byte register is read, the upper

eight bits are stored into a shadow register, which is read by a

subsequent read to the upper byte. The upper register will read

the correct value even if additional ADC integration cycles end

between the reading of the lower and upper registers.

Figure TMD3782 – 40:

Proximity Data Registers.

Address

Bits

Description (Reset value = 0x00)

CDATAL

0x14

7:0

Clear data low byte

CDATAH

0x15

7:0

Clear data high byte

RDATAL

0x16

7:0

Red data low byte

RDATAH

0x17

7:0

Red data high byte

GDATAL

0x18

7:0

Green data low byte

GDATAH

0x19

7:0

Green data high byte

BDATAL

0x1a

7:0

Blue data low byte

BDATAH

0x1b

7:0

Blue data high byte

Address

Bits

Description (Reset value = 0x00)

PDATAL

0x1c

7:0

Proximity data low byte

PDATAH

0x1d

7:0

Proximity data high byte

RGBC Data Registers (0x14 - 0x1b)

Proximity Data Registers (0x1c - 0x1d)

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