wm9714l Wolfson Microelectronics plc, wm9714l Datasheet - Page 75
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wm9714l
Manufacturer Part Number
wm9714l
Description
Ac?97 Audio Codec
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM9714L.pdf
(119 pages)
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Table 58 Using GPIO Pins for Non-GPIO Functions
56h
GPIO pins
function
select
REGISTER
ADDRESS
2
4
5
6
8
BIT
GE2
GE4
GE5
GE6
GE8
LABEL
1
1
1
1
1
DEFAULT
GPIO2 (Pin 45) Function Control
0 = Pin 45 is not controlled by GPIO logic
1 = Pin 45 is controlled by GPIO logic
Note: When GE2=0,
GPIO4 (Pin 47) Function Control
0 = Pin 47 is not controlled by GPIO logic
1 = Pin 47 is controlled by GPIO logic
Note: When GE4=0,
GPIO5 (Pin 48) Function Control
0 = Pin 48 is not controlled by GPIO logic
1 = Pin 48 is controlled by GPIO logic
Note: When GE5=0,
GPIO6 (Pin 3) Function Control
0 = Pin 3 is not controlled by GPIO logic
1 = Pin 3 is controlled by GPIO logic
Note: When GE6=0,
GPIO8 (Pin 12) Function Control
0 = Pin 12 is not controlled by GPIO logic
1 = Pin 12 is controlled by GPIO logic
Note: When GE8=0,
set GC2=0 in 4Ch to output IRQ
set GC4=0 in 4Ch to output ADA
set GC4=1 in 4Ch to input MASK
set GC5=0 in 4Ch to output S/PDIF
set GC6=0 in 4Ch to output ADA signal
set GC6=1 in 4Ch to input MASK signal
set GC8=0 in 4Ch to output S/PDIF
DESCRIPTION
PP, Rev 3.2, October 2008
WM9714L
75