STM32F051R4U7(2012) 查看數據表（PDF） - STMicroelectronics

零件编号

产品描述 (功能)

生产厂家

STM32F051R4U7
(Rev.:2012)

Low- and medium-density advanced ARM™-based 32-bit MCU with 16 to 64 Kbytes Flash, timers, ADC, DAC and comm. interfaces

STMicroelectronics 

STM32F051x

Electrical characteristics

Figure 20. I/O AC characteristics definition

90%

50%

10%

10%

50%

90%

EXT ERNAL

O UTP UT

ON 50pF

tr(I O)out

tr(I O)out

T

Maximum fr equency is achieved if (tr + tf) ≤ 2/3) T and if the duty cycle is (45-55%)

when loaded by 50pF

ai14131

Doc ID 022265 Rev 3

75/105

Share Link: