VD5377 datasheet(68/88 Pages) STMICROELECTRONICS

No de pièce	VD5377

Description	Ultra-low power motion sensor for optical finger navigation (OFN)

PDF	88 Pages

Scroll/Zoom	100%

Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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68 / 88 page

I2C register map

VD5377

68/88

Doc ID 022952 Rev 2

ANALOG_CTRL2

led_out_dmib_ctrl

PRW

Select the source of LED out.

0 = Auto (by DMIB controller)

1 = Manual (by

led_out_manual) - FOR LED

TEST PURPOSES ONLY.

led_out_manual

PRW

If led_out_dmib_ctrl is high,

defines the state of led_out.

0 = LED driver disable (in

manual mode)

1 = LED driver enable (in

manual mode)

(FOR LED TEST PURPOSES

ONLY)

dmib_dac_vref

3:2

PRW

Vref select for DMIB DAC

0 = 1v45

1 = 1v5 (default)

2 = 1v55

3 = 1v6 (recommended)

led_dac_control

6:4

PRW

Adjust Led Drive DAC drive

output current.

0 = Iout = 0 mA

1 = Iout = 2.0 mA

2 = Iout = 4.0 mA

3 = Iout = 6.0 mA

4 = Iout = 8.0 mA

5 = Iout = 10.0 mA

6 = Iout = 12.0 mA

7 = Iout = 14.0 mA (default)

led_out_polarity

PRW

LED_OUT_EN polarity

0 = High when LED must be ON

1 = Low when LED must be ON

Table 38. I2C register map (continued)

Addr

(Hex)

SIgnal name

Bit

Type

Default

(Hex)

Comment

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