Lines Matching +full:battery +full:- +full:backed

30 .Nd Extremely Accurate i2c-integrated real-time clock (RTC)/TCXO/Crystal
38 is a low-cost, extremely accurate I2C realtime clock (RTC) with an
39 integrated temperature-compensated crystal oscillator (TCXO) and crystal.
41 The device incorporates a battery input and maintains accurate timekeeping
49 .Bd -literal
62 .Bl -tag -width ".Va dev.ds3231.%d.temperature"
64 The read-only value of the current temperature read by the RTC.
74 is set to square-wave, battery-backed square-wave output is enabled.
76 being powered by battery.
78 Select the frequency of the SQW pin when the square-wave output is enabled on
83 It can be set to 'interrupt' (default) or 'square-wave'.
86 In square-wave mode, the SQW pin drives a square-wave of
103 .Bl -tag -width ".Va hint.ds3231.%d.addr"
111 The 8-bit i2c address of
113 The default 8-bit address for
121 .Bl -tag -width ".Va compatible"
125 The 7-bit i2c address of
127 The default 7-bit address for
142 .An -nosplit