STC12LE2052AD Datasheet | STC MCU

atures.................................................................................................. 7 1.2 Block diagram........................................................................................ 8 1.3 Pin Configurations . ............................................................................... 9 1.4 STC12C2052AD series Selection Table.............................................. 10 1.5 STC12C2052AD series Minimum Application System. .......................11 1.6 STC12C2052AD series MCU Typical Application Circuit for ISP..... 12 1.7 Pin Descriptions................................................................................... 14 1.8 Package Dimension Drawings. ............................................................. 16 1.9 STC12C2052AD series MCU naming rules........................................ 18 1.10 Global Unique Identification Number (ID)........................................ 19 2.1 Clock.................................................................................................... 22 2.1.1 2.1.2 2.1.3 2.1.4 On-Chip R/C Clock and External Crystal/Clcok are Optional in STC-ISP.exe 22 Divider for System Clock ................................................................................... 23 How to Know Internal RC Oscillator frequency(Internal clock frequency) ...... 24 Programmable Clock Output............................................................................... 27 Chapter 2. Clock, Power Management and Reset....................22 2.2 Power Management Modes.................................................................. 30 2.2.1 Slow Down Mode................................................................................................ 31 2.2.2 Idle Mode............................................................................................................. 32 2.2.3 Stop / Power Down (PD) Mode and Demo Program (C and ASM).................... 33 2.3.1 2.3.2 2.3.3 2.3.4 2.3.5 2.3.6 2.3.7 RESET...