参数资料
型号: STM32F100R4T7BTR
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 24 MHz, RISC MICROCONTROLLER, PQFP64
封装: 10 X 10 MM, ROHS COMPLIANT, LQFP-64
文件页数: 60/86页
文件大小: 1198K
代理商: STM32F100R4T7BTR
STM32F100x4, STM32F100x6, STM32F100x8, STM32F100xB
Electrical characteristics
Doc ID 16455 Rev 3
Figure 28.
I2C bus AC waveforms and measurement circuit(1)
1.
Measurement points are done at CMOS levels: 0.3VDD and 0.7VDD.
Table 39.
SCL frequency (fPCLK1= 24 MHz, VDD = 3.3 V)
(1)(2)
1.
RP = External pull-up resistance, fSCL = I
2C speed,
2.
For speeds around 400 kHz, the tolerance on the achieved speed is of
2%. For other speed ranges, the
tolerance on the achieved speed
1%. These variations depend on the accuracy of the external
components used to design the application.
fSCL (kHz)
(3)
3.
Guaranteed by design, not tested in production.
I2C_CCR value
RP = 4.7 k
400
0x8011
300
0x8016
200
0x8021
100
0x0064
50
0x00C8
20
0x01F4
Ω
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