WM9713L_06 WOLFSON [Wolfson Microelectronics plc], WM9713L_06 Datasheet - Page 78

• Manufacturer Part Number: WM9713L_06
• Description: AC 97 Audio + Touchpanel CODEC
• Manufacturer: WOLFSON [Wolfson Microelectronics plc]

WM9713L
w
Table 63 Using GPIO Pins for Non-GPIO Functions
56h
GPIO pins
function
select
REGISTER
ADDRESS
2
3
4
5
6
7
8
BIT
GE2
GE3
GE4
GE5
GE6
GE7
GE8
LABEL
1
1
1
1
1
1
1
DEFAULT
GPIO2 / IRQ output select
0: Pin 45 disconnected from GPIO logic
1: Pin 45 connected to GPIO logic (IRQ
disabled)
GPIO3 / PENDOWN output select
0: Pin 46 disconnected from GPIO logic
signal
1: Pin 46 connected to GPIO logic
GPIO4 / ADA / MASK output select
0: Pin 47 disconnected from GPIO logic
1: Pin 47 connected to GPIO logic
GPIO5 / SPDIF output select
0: Pin 48 = SPDIF (disconnected from GPIO
logic)
1: Pin 48 connected to GPIO logic (SPDIF
disabled)
GPIO6 / ADA / MASK output select
0: Pin 3 disconnected from GPIO logic
1: Pin 3 connected to GPIO logic
GPIO7 / PENDOWN output select
0: Pin 11 disconnected from GPIO logic
signal
1: Pin 11 connected to GPIO logic
GPIO8 / SPDIF output select
0: Pin 12 = SPDIF (disconnected from GPIO
logic)
1: Pin 12 connected to GPIO logic (SPDIF
disabled)
set 4Ch, bit 2 to ‘0’ to output IRQ signal
set 4Ch, bit 3 to ‘0’ to output PENDOWN
set 4Ch, bit 4 to ‘0’ to output ADA signal
set 4Ch, bit 4 to ‘1’ to input MASK signal
set 4Ch, bit 5 to ‘0’ to output SPDIF signal
set 4Ch, bit 6 to ‘0’ to output ADA signal
set 4Ch, bit 6 to ‘1’ to input MASK signal
set 4Ch, bit 7 to ‘0’ to output PENDOWN
set 4Ch, bit 8 to ‘0’ to output SPDIF signal
DESCRIPTION
PP Rev 3.0 June 2006
Pre-Production
78