The AT24C128/256 provides 131,072/262,144 bits of serial electrically erasable and programmable read only memory (EEPROM) organized as 16,384/32,768 words of 8 bits each. The device’s cascadable feature allows up to 4 devices to share a common 2-wir
DS1306 Serial Alarm Real Time Clock (RTC)，时钟芯片的说明文档资料 Real time clock counts seconds, minutes, hours, date of the month, month, day of the week, and year with leap year compensation valid up to 2100 96-byte nonvolatile RAM for data storage Two T
EFM32ZG110 DATASHEET ARM Cortex-M0 • 0.9 μA @ 3 V Deep Sleep Mode, including RTC with 32.768 kHz oscillator, Power-on Reset, Brown-out Detector, RAM and CPU retention • 46 μA/MHz @ 3 V Sleep Mode • 114 μA/MHz @ 3 V Run Mode, with code executed from
