(China (Mainland))
Product Summary
The STC12C5A16S2 is a single-chip microcontroller based on a high performance 1T architecture 80C51 CPU,which is produced by STC MCU Limited. With the enhanced kernel, STC12C5A16S2 executes instructions in 1~6 clock cycles (about 6~7 times the rate of a standard 8051 device), and has a fully compatible instruction set with industrial-standard 80C51 series microcontroller. The STC12C5A16S2 retains all features of the standard 80C51. In addition, the STC12C5A16S2 has two extra I/O ports (P4 and P5), a 10-sources,4-priority-level interrupt structure, 10-bit ADC, two UARTs, on-chip crystal oscillator, a 2-channel PCA and PWM, SPI, a one-time enabled Watchdog Timer.
Features
STC12C5A16S2 features: (1)Enhanced 80C51 Central Processing Unit ,1T per machine cycle, faster 6~7 times than the rate of a standard 8051; (2)Operating voltage range: 5.5V ~ 3.5V or 2.2V ~ 3.6V (STC12LE5A60S2); (3)Operating frequency range: 0- 35MHz, is equivalent to standard 8051:0~420MHz; (4)On-chip 8/16/20/32/40/48/52/56/60/62K FLASH program memory with flexible ISP/IAP capability; (5)STC10F/Lxx series Flash program memory : 2/4/6/8/10/12/14K; (6)On-chip 1280 byte RAM; (7)Be capable of addressing up to 64K byte of external RAM; (8)Dual Data Pointer (DPTR) to speed up data movement; (9)Power control: idle mode(all interrupt can wake up IDLE mode) and power-down mode(external interrupt can wake up Power-Down mode).
Diagrams
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