ST7LITE49K2 STMicroelectronics, ST7LITE49K2 Datasheet - Page 40

• Manufacturer Part Number: ST7LITE49K2
• Description: 8-bit MCU
• Manufacturer: STMicroelectronics

Specifications of ST7LITE49K2

• 8 Kbytes Single Voltage Extended Flash (xflash) Program Memory With Read-out Protection In-circuit Programming And In-application Programming (icp And Iap) Endurance: 10K write/erase cycles guaranteed Data retention
• 256 Bytes Data Eeprom With Read-out Protection. 300k Write/erase Cycles Guaranteed, Data Retention: 20 years at 55 °C.
• Clock Sources: Internal trimmable 8 MHz RC oscillator, auto-wakeup internal low power - low frequency oscillator, crystal/ceramic resonator or external clock
• Five Power Saving Modes: Halt, Active-halt, Auto-wakeup from Halt, Wait and Slow

Supply, reset and clock management
Note:
40/245
1
2
3
When the internal RC is not selected, it is stopped so as to save power consumption.
When the internal RC is selected, the AWU RC is turned on by hardware when entering
Auto-wakeup from Halt mode.
When the external clock is selected, the AWU RC oscillator is always on.
Figure 12. Clock switching
Internal RC
AWU RC
Poll AWU_FLAG until set
Poll RC_FLAG until set
Set RC/AWU
Reset RC/AWU
Internal RC
AWU RC
ST7LITE49K2