wm8352 Wolfson Microelectronics plc, wm8352 Datasheet - Page 230
wm8352
Manufacturer Part Number
wm8352
Description
Wolfson Audioplus? Stereo Codec With Power Management
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8352.pdf
(335 pages)
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WM8352
Register 14h Alarm Seconds/Minutes
Register 15h Alarm Hours/Day
Register 16h Alarm Date/Month
w
REGISTER
R20 (14h) Alarm
REGISTER
ADDRESS
ADDRESS
Seconds/Minute
Date/Month
Hours/Day
R21 (15h)
R22 (16h)
REGISTER
ADDRESS
Alarm
Alarm
s
BIT
BIT
11:8
12:8
4:0
5:0
5
BIT
14:8
6:0
RTC_ALMDATE[5:0]
RTC_ALMDAY[3:0]
RTC_ALMHRS[4:0]
RTC_ALMMTH[4:0]
RTC_ALMHPM
RTC_ALMSECS[6:0]
RTC_ALMMINS[6:0]
LABEL
LABEL
LABEL
DEFAULT
DEFAULT
0_0000
00_0000
0000
0_0000
DEFAULT
0
000_0000
000_0000
Day alarm register, with range 1-7, 1 = Sunday.
All 1's sets to 'don't care' state.
Note, during programming it is best to disable the
Alarm Enable request bit to avoid false alarms.
Alarm hours AM/PM flag
0 = AM
1 = PM
Only applicable in 12 hour mode. In 24 hour mode
set to 1 if RTC_ALMHRS is set to all 1’s ‘don’t
care’ or 0 otherwise.
Hours alarm register with range 0-23 in 24 hours
mode and 1-12 in 12 hour. In 12 hour mode bit 5 is
used as PM/not-AM flag. All 1's sets to 'don't care'
state.
Note, during programming it is best to disable the
Alarm Enable request bit to avoid false alarms.
Month alarm register with range 1-12. All 1's sets
to 'don't care' state.
Note, during programming it is best to disable the
Alarm Enable request bit to avoid false alarms.
Date alarm register with range 1-31. All 1's sets to
'don't care' state.
Note, during programming it is best to disable the
Alarm Enable request bit to avoid false alarms.
Minutes alarm register with range 0-59. All 1's
sets to 'don't care' state.
Note, during programming it is best to disable
the Alarm Enable request bit to avoid false
alarms.
Seconds alarm register with range 0-59. All 1's
set to 'don't care' state.
Note, during programming it is best to disable
the Alarm Enable request bit to avoid false
alarms.
DESCRIPTION
DESCRIPTION
DESCRIPTION
PD, June 2009, Rev 4.1
REFER TO
REFER TO
REFER TO
Production Data
230
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