Показаны различия между двумя версиями страницы.
Предыдущая версия справа и слеваПредыдущая версия | |||
wiki:cmp:freq:start [2024/04/08 10:10] – Roman Abakumov | wiki:cmp:freq:start [2024/07/05 14:15] (текущий) – Roman Abakumov | ||
---|---|---|---|
Строка 101: | Строка 101: | ||
==== RTC ==== | ==== RTC ==== | ||
- | | USE STM Internal RTC | https:// | + | [[.:rtc:start|RTC]] |
- | {{tablelayout? | + | |
- | | TR8804 | + | |
- | | RV-3032-C7 | + | |
- | | INS5101A | + | |
- | | INS5699C | + | |
- | | INS5699S | + | |
- | | DS1302Z | + | |
- | | DS1307ZM/ | + | |
- | | PCF8523TK/ | + | |
- | | DS3231MZ+ | + | |
- | | BL5372 | + | |
- | + | ||
- | + | ||
- | === PCF8523TK/ | + | |
- | Clock operating voltage: 1.0 V to 5.5 V | + | |
- | + | ||
- | Vth(sw)bat is the battery switch threshold voltage. Typical value is 2.5 V. | + | |
- | + | ||
- | When VBAT drops below the threshold value Vth(bat)low (typically 2.5 V), the BLF flag | + | |
- | (register Control_3) is set to indicate that the battery is low and that it must be replaced. | + | |
- | + | ||
- | VBAT battery supply voltage power management function active 1.8 - 5.5 V | + | |
- | + | ||
- | Vth(sw)bat battery switch threshold voltage 2.1 2.5 2.7 V | + | |