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STW5098 Datasheet(PDF) 46 Page - STMicroelectronics

Part # STW5098
Description  Dual low power asynchronous stereo audio Codec with integrated power amplifiers
PDF  85 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STW5098 Datasheet(HTML) 46 Page - STMicroelectronics

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Control registers
STw5098
46/85
5.9
Interrupt control and control interface SPI out mode
Note:
Value at IRQ pin is:
CR#
(hex)
Description
D7D6D5D4
D3
D2D1
D0
Def.
CR31
(1Fh)
Interrupt mask
VLSHEN
PUSH
BEN
HSDETEN VLSHMSK
PUSH
BMSK
HSDET
MSK
OVFMSK
PORMSK
0000
0000
CR32
(20h)
Interrupt status
VLSH
PUSHB
HSDET
VLSHEV
PUSHBEV HSDETEV
OVFEV
POREV
0000
0000
CR33
(21h)
Misc. control
x
X
SPIOHIZ
SPIOSEL(1:0)
IRQCMOS
OVFDA
OVFAD
0000
0000
Table 25.
CR31 description
Bits
Name
Value
CR31description
Def.
7VLSHEN
1
0
VLSH status can be seen at IRQ output
VLSH status is masked
0
6
PUSHBEN
1
0
PUSHB status can be seen at IRQ output
PUSHB status is masked
0
5
HSDETEN
1
0
HSDET status can be seen at IRQ output
HSDET status is masked
0
4VLSHMSK
1
0
VLSH event can be seen at IRQ output
VLSH event is masked
0
3
PUSHBMSK
1
0
PUSHB event can be seen at IRQ output
PUSHB event is masked
0
2
HSDETMSK
1
0
HSDET event can be seen at IRQ output
HSDET event is masked
0
1OVFMSK
1
0
OVF event can be seen at IRQ output
OVF event is masked
0
0PORMSK
1
0
POR event can be seen at IRQ output
POR event is masked
0
Table 26.
CR32 description
Bits
Name
Read
only
CR32 description
Def.
7VLSH*
1
0
VCCLS is above 4.2 V
VCCLS is below 4.0 V
0
6
PUSHB*
1
0
Headset Button is pressed
Headset Button is released
0
5
HSDET*
1
0
Headset Connector is inserted
Headset Connector is not inserted
0
IRQ
(1 or Z) when (CR31 & CR32) = 00 hex
0
when (CR31 & CR32)
00 hex
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