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 | + | |