WM8351CGEB/RV WOLFSON [Wolfson Microelectronics plc], WM8351CGEB/RV Datasheet - Page 231
WM8351CGEB/RV
Manufacturer Part Number
WM8351CGEB/RV
Description
Manufacturer
WOLFSON [Wolfson Microelectronics plc]
Datasheet
1.WM8351CGEBRV.pdf
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Production Data
Register 17h RTC Time Control
Register 18h System Interrupts
w
REGISTER
REGISTER
ADDRESS
ADDRESS
R24 (18h)
Interrupts
System
BIT
BIT
6:4
3:0
13
12
9
8
7
6
5
4
3
2
1
0
RTC_DSW[3:0]
RTC_PINT[2:0]
AUXADC_INT
CODEC_INT
WKUP_INT
CHG_INT
RTC_INT
USB_INT
EXT_INT
SYS_INT
LABEL
LABEL
OC_INT
UV_INT
CS_INT
GP_INT
DEFAULT
DEFAULT
0000
010
0
0
0
0
0
0
0
0
0
0
0
0
First-level over-current interrupt.
Note: This bit is cleared once read.
First-level under-voltage interrupt.
Note: This bit is cleared once read.
First-level current sink interrupt.
Note: This bit is cleared once read.
First-level external interrupt.
Note: This bit is cleared once read.
First-level codec interrupt.
Note: This bit is cleared once read.
First-level GPIO interrupt.
Note: This bit is cleared once read.
First-level AUXADC comparator interrupt.
Note: This bit is cleared once read.
First-level RTC interrupt.
Note: This bit is cleared once read.
First-level system interrupt.
Note: This bit is cleared once read.
First-level charger interrupt.
Note: This bit is cleared once read.
First-level USB interrupt.
Note: This bit is cleared once read.
First-level wakeup interrupt.
Note: This bit is cleared once read.
Selects frequency of periodic interrupt output pulse
(32kHz period duration) as shown below. When set
time status is high, the periodic output is disabled.
000 = disabled
001 = 1 sec
010 = 1 min
011 = 1 hour
100 = 1 day
101 = 1 month
11x = disabled
Divided Square wave select.
0000 = disabled
0001 = 1Hz
0010 = 2Hz
…
1011 = 1024Hz
1100 = 2048Hz
1101 = 4096Hz
1110 = 8192Hz
1111 = 16384Hz
Note: due to trim settings for crystal intolerances a
single square wave period during seconds rollover
may be decrease its on time period or increase its off
time period by up to 8 32kHz periods.
DESCRIPTION
DESCRIPTION
PD, April 2012, Rev 4.5
REFER TO
REFER TO
WM8351
231
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