STC12C5620AD
STC12C5620AD is MCU manufactured by STC.
.STCMCU.
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. d e STC12C5620AD series MCU t i m i L STC12LE5620AD series MCU U C Data M Sheet C T S
STC MCU Limited
.STCMCU.
Update date: 2011-7-15
STC MCU Limited. website：.STCMCU.
Free Datasheet http://..
CONTENTS
Chapter 1. Introduction. .................................................................7
1.1 1.2 1.3 1.4 1.5 1.6 Features
................................................................................................... 7 Block diagram......................................................................................... 8 Pin Configurations . ................................................................................ 9 STC12C5620AD series Selection Table................................................11 STC12C5620AD series Minimum Application System. ....................... 12 STC12C5620AD series MCU Typical Application Circuit for ISP...... 13
Chapter 2. Clock, Power Management and Reset.....................30
2.1 Clock..................................................................................................... 30
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 .. 30 Divider for System Clock .................................................................................... 31 How to Know Internal RC Oscillator frequency(Internal clock frequency) ....... 32 Programmable Clock Output................................................................................ 35
1.7 Pin Descriptions.................................................................................... 18 1.8 Package Dimension Drawings. .............................................................. 20 1.9 STC12C5620AD series MCU naming rules......................................... 26 1.10 Global Unique Identification Number (ID)......................................... 27
1.6.1 STC12C5620AD series MCU (28...
