Features:

• Enhanced 80C51 Central Processing Unit ,1T per machine cycle, faster 6~7 times than the rate of a standard 8051.
• Operating voltage range: 5.5V ~ 3.5V or 2.2V ~ 3.6V (STC12LE5A60S2).
• Operating frequency range: 0- 35MHz, is equivalent to standard 8051:0~420MHz
• On-chip 8/16/20/32/40/48/52/56/60/62K FLASH program memory with flexible ISP/IAP capability
• On-chip 1280 byte RAM: 256 byte scratch-pad RAM and 1024 bytes of auxiliary RAM
• Be capable of addressing up to 64K byte of external RAM
• Dual Data Pointer (DPTR) to speed up data movement
• Code protection for flash memory access
• Excellent noise immunity, very low power consumption
• four 16-bit timer/counter, be compatible with Timer0/Timer1 of standard 8051, 2-channel PCA can be available as two timers.
• 10 vector-address, 4 level priority interrupt capability
• One enhanced UART with hardware address-recognition and frame-error detection function
• Secondary UART with self baud-rate generator
• One 15 bits Watch-Dog-Timer with 8-bit pre-scaler (one-time-enabled)
• SPI Master/Slave communication interface
• Two channel Programmable Counter Array (PCA)

Product Documents:

General Overview: STC12C5A60S2_Features.pdf

Data Sheet: STC12C5A60S2.pdf

ROSH：

Product Support:

ISP programming software ：
    STC ISP programming software (v6.28)

Sample & Buy：

Sample：Sample Request Form

Buy ：Buy Online