WM8753 Wolfson Microelectronics plc, WM8753 Datasheet - Page 50
WM8753
Manufacturer Part Number
WM8753
Description
HI FI AND TELEPHONY DUAL CODEC
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8753.pdf
(87 pages)
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Advanced Information
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Table 48 Interrupt Control
R25 (19h)
Interrupt
Polarity
R26 (1Ah)
Interrupt
Mask
R27 (1Bh)
Interrupt
Control
(1)
REGISTER
ADDRESS
7
6
5
4
3
1
0
7
6
5
4
3
1
0
8:7
BIT
TSDIPOL
HPSWIPOL
GPIO5IPOL
GPIO4IPOL
GPIO3IPOL
MICDETPOL
MICSHTPOL
TSDIEN
HPSWIEN
GPIO5IEN
GPIO4IEN
GPIO3IEN
MICDETEN
MICSHTEN
INTCON
LABEL
0
0
0
0
0
0
0
0
0
0
0
0
0
0
00
DEFAULT
Controls polarity of thermal shutdown interrupts.
0 = Interrupt when thermal shutdown active.
1 = Interrupt when thermal shutdown inactive.
Controls polarity of Headphone interrupts.
0 = Interrupt when headphone connected.
1 = Interrupt when headphone disconnected.
Controls polarity of GPIO5 interrupts.
0 = Interrupt when GPIO5 high.
1 = Interrupt when GPIO5 low.
Controls polarity of GPIO4 interrupts.
0 = Interrupt when GPIO4 high
1 = Interrupt when GPIO4 low
Controls polarity of GPIO3 interrupts.
0 = Interrupt when GPIO3 high
1 = Interrupt when GPIO3 low
Controls polarity of microphone bias detect
interrupt
0 = Interrupt when above threshold
1 = Interrupt when below threshold
Controls polarity of microphone bias short circuit
interrupts.
0 = Interrupt when bias over current
1 = Interrupt when bias normal
Controls thermal shutdown interrupt.
1 = Enable interrupt.
0 = Disable interrupt.
Controls headphone interrupt.
1 = Enable interrupt.
0 = Disable interrupt.
Controls GPIO5 interrupt.
1 = Enable interrupt.
0 = Disable interrupt.
Controls GPIO4 interrupt.
1 = Enable interrupt.
0 = Disable interrupt.
Controls GPIO3 interrupt.
1 = Enable interrupt.
0 = Disable interrupt.
Controls Microphone Bias detect interrupt
1 = Enable interrupt.
0 = Disable interrupt.
Controls microphone bias short circuit interrupt
(button press).
1 = Enable interrupt.
0 = Disable interrupt.
Controls INT signal from controller.
00 = Disabled (no interrupts).
01 = Open drain active low INT signal.
10 = Active high INT signal.
11 = Active low INT signal.
Note that physical pin used for INT is controlled
via GPIO Control register.
DESCRIPTION
AI Rev 3.1 June 2004
WM8753L
50