WM9713 datasheet(80/111 Pages) WOLFSON

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WM9713L

Preliminary Technical Data

PTD, March 2004, Rev 2.2

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

GE2

GPIO2 / IRQ output select

0: Pin 45 disconnected from GPIO logic

set 4Ch, bit 2 to ‘0’ to output IRQ signal

1: Pin 45 connected to GPIO logic (IRQ

disabled)

GE3

GPIO3 / PENDOWN output select

0: Pin 46 disconnected from GPIO logic

set 4Ch, bit 3 to ‘0’ to output PENDOWN

signal

1: Pin 46 connected to GPIO logic

GE4

GPIO4 / ADA / MASK output select

0: Pin 47 disconnected from GPIO logic

set 4Ch, bit 4 to ‘0’ to output ADA signal

set 4Ch, bit 4 to ‘1’ to input MASK signal

1: Pin 47 connected to GPIO logic

GE5

GPIO5 / SPDIF output select

0: Pin 48 = SPDIF (disconnected from GPIO

logic)

set 4Ch, bit 5 to ‘0’ to output SPDIF signal

1: Pin 48 connected to GPIO logic (SPDIF

disabled)

GE6

GPIO6 / ADA / MASK output select

0: Pin 3 disconnected from GPIO logic

set 4Ch, bit 6 to ‘0’ to output ADA signal

set 4Ch, bit 6 to ‘1’ to input MASK signal

1: Pin 3 connected to GPIO logic

GE7

GPIO7 / PENDOWN output select

0: Pin 11 disconnected from GPIO logic

set 4Ch, bit 7 to ‘0’ to output PENDOWN

signal

1: Pin 11 connected to GPIO logic

56h

GPIO pins

function

select

GE8

GPIO8 / SPDIF output select

0: Pin 12 = SPDIF (disconnected from GPIO

logic)

set 4Ch, bit 8 to ‘0’ to output SPDIF signal

1: Pin 12 connected to GPIO logic (SPDIF

disabled)

Table 62 Using GPIO Pins for Non-GPIO Functions

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