Keil for ARM 上面的介绍是这样的。
STM32F103ZCT6
ARM 32-bit Cortex-M3 Microcontroller, 72MHz, 256kB Flash, 64kB SRAM, External Memory Interface (EMI) for SDRAM, SRAM, Flash, ROM, PLL, Embedded Internal RC 8MHz and 32kHz, Real-Time Clock, Nested Interrupt Controller, Power Saving Modes, JTAG and SWD, 5 Synch. 16-bit Timers with Input Capture, Output Compare and PWM, 16-bit 6-ch Advanced Timer, 2 16-bit Watchdog Timers, SysTick Timer, 2 SPI, 2 I2C, 5 USART, USB 2.0 Full Speed Interface, CAN 2.0B Active, 2 12-bit 16-ch A/D Converter, 2 D/A Converter, I2S, Fast I/O Ports |