WM8994ECSSLASHR datasheet(334/363 Pages) CIRRUS

334 / 363 page

WM8994

334

Rev 4.6

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

0 = CMOS

1 = Open Drain

GP3_DB

GPIO3 Input De-bounce

0 = Disabled

1 = Enabled

GP3_LVL

GPIO3 level. Write to this bit to set a GPIO output. Read

from this bit to read GPIO input level.

For output functions only, when GP3_POL is set, the

4:0

GP3_FN [4:0]

0_0001

GPIO3 Pin Function

00h = BCLK2

01h = GPIO

02h = SDOUT

03h = IRQ

04h = Temperature (Shutdown) status

05h = MICBIAS1 Current Detect

06h = MICBIAS1 Short Circuit Detect

07h = MICBIAS2 Current Detect

08h = MICBIAS2 Short Circuit Detect

09h = FLL1 Lock

0Ah = FLL2 Lock

0Bh = SRC1 Lock

0Ch = SRC2 Lock

0Dh = AIF1 DRC1 Signal Detect

0Eh = AIF1 DRC2 Signal Detect

0Fh = AIF2 DRC Signal Detect

10h = Write Sequencer Status

11h = FIFO Error

12h = OPCLK Clock output

13h = Temperature (Warning) status

14h = DC Servo Done

15h = FLL1 Clock output

16h = FLL2 Clock output

17h to 1Fh = Reserved

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

R1795

(0703h)

GPIO 4

GP4_DIR

GPIO4 Pin Direction

0 = Output

1 = Input

GP4_PU

GPIO4 Pull-Up Enable

0 = Disabled

1 = Enabled

GP4_PD

GPIO4 Pull-Down Enable

0 = Disabled

1 = Enabled

GP4_POL

GPIO4 Polarity Select

0 = Non-inverted (Active High)

1 = Inverted (Active Low)

GP4_OP_CFG

GPIO4 Output Configuration

0 = CMOS

WM8994ECS/R датащи(PDF) 334 Page - Cirrus Logic

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