AS3676 datasheet(62/92 Pages) AMSCO

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www.austriamicrosystems.com/AS3676

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AS3676

Datasheet - D e ta i l e d D e s c r i p t i o n

Table 99. GPIO signal 2

Addr: 51h

GPIO signal 2

This register controls GPIO outputs.

Bit

Bit Name

Default Access

Description

gpio1_in

N/A

Reads a logic signal from pin GPIO1/DLS; this is

independent of any other setting e.g.,Table 100 except

gpio1_pulls=11

gpio2_ in

N/A

Reads a logic signal from pin GPIO2/LIGHT; this is

independent of any other setting e.g.,Table 100 except

gpio2_pulls=11

gpi_rgb1_in

N/A

Reads a logic signal from pin RGB1; if gpi_rgb1_en=1

gpi_rgb2_in

N/A

Reads a logic signal from pin RGB2; if gpi_rgb2_en=1

gpi_rgb3_in

N/A

Reads a logic signal from pin RGB3; if gpi_rgb3_en=1

gpi_curr41_in

N/A

Reads a logic signal from pin CURR41; if gpi_curr41_en=1

gpi_curr42_in

N/A

Reads a logic signal from pin CURR42; if gpi_curr42_en=1

gpi_curr43_in

N/A

Reads a logic signal from pin CURR43; if gpi_curr43_en=1

Table 100. GPIO control

Addr: 1Eh

GPIO control

This register controls GPIO and GPIO1 pin functions.

Bit

Bit Name

Default Access

Description

1:0

gpio1_mode

R/W

Defines the direction for pin GPIO1/DLS

Input only

Output (push and pull)

Output (open drain, only push; only NMOS is

active)

Output (open drain, only pull; only PMOS is

active)

3:2

gpio1_pulls

R/W

Adds the following pullup/pulldown to pin GPIO1/DLS; this

is independent of setting of bits gpio1_mode

None

Pulldown

Pullup

ADC input (gpio1_mode = XX); recommended

for analog signals

5:4

gpio2_mode

R/W

Defines the direction for pin GPIO2/LIGHT

Input only

Output (push and pull)

Output (open drain, only push; only NMOS is

active)

Output (open drain, only pull; only PMOS is

active)

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