WM8281ECSSLASHR datasheet(234/392 Pages) CIRRUS

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WM8281

234

Rev 4.0

GPn_FN

DESCRIPTION

COMMENTS

Status (Positive side)

0 = Normal

1 = Short Circuit detected

5Bh

HPOUT3L Short Circuit

Status (Negative side)

HPOUT3L Short Circuit status

0 = Normal

1 = Short Circuit detected

5Ch

HPOUT3R Short Circuit

Status (Negative side)

HPOUT3R Short Circuit status

0 = Normal

1 = Short Circuit detected

5Dh

HPOUT3L Short Circuit

Status (Positive side)

HPOUT3L Short Circuit status

0 = Normal

1 = Short Circuit detected

5Eh

HPOUT3R Short Circuit

Status (Positive side)

HPOUT3R Short Circuit status

0 = Normal

1 = Short Circuit detected

5Fh

SPKOUTL Short Circuit

Status

SPKOUTL Short Circuit status

0 = Normal

1 = Short Circuit detected

60h

SPKOUTR Short Circuit

Status

SPKOUTR Short Circuit status

0 = Normal

1 = Short Circuit detected

61h

Speaker Shutdown Status

0 = Normal

1 = Speaker Shutdown completed (due to Overheat

Temperature or Short Circuit condition)

Table 87 GPIO Function Select (GPIO1, GPIO2, GPIO3, GPIO4)

GPn_FN

DESCRIPTION

COMMENTS

00h

Reserved

01h

Button detect input / Logic

level output

GPn_DIR = 0: GPIO pin logic level is set by GPn_LVL.

GPn_DIR = 1: Button detect or logic level input.

02h

IRQ1 Output

Interrupt (IRQ1) output

0 = IRQ1 not asserted

1 = IRQ1 asserted

03h

IRQ2 Output

Interrupt (IRQ2) output

0 = IRQ2 not asserted

1 = IRQ2 asserted

04h

OPCLK Clock Output

Configurable clock output derived from SYSCLK

05h

FLL1 Clock

Clock output from FLL1

06h

FLL2 Clock

Clock output from FLL2

07h

Reserved

08h

PWM1 Output

Configurable Pulse Width Modulation output PWM1

09h

PWM2 Output

Configurable Pulse Width Modulation output PWM2

3Dh

OPCLK Async Clock

Output

Configurable clock output derived from ASYNCCLK

Table 88 GPIO Function Select (GPIO5)

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