WM8351CGEB/RV WOLFSON [Wolfson Microelectronics plc], WM8351CGEB/RV Datasheet - Page 194

• Manufacturer Part Number: WM8351CGEB/RV
• Manufacturer: WOLFSON [Wolfson Microelectronics plc]

WM8351
w
R23 (17h)
RTC Time
control
Table 136 RTC GPIO Output
ADDRESS
BIT
3:0
RTC_DSW [3:0]
LABEL
DEFAULT
0000
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
PD, April 2012, Rev 4.5
Production Data
194