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STM32F103C8T7 参数 Datasheet PDF下载

STM32F103C8T7图片预览
型号: STM32F103C8T7
PDF下载: 下载PDF文件 查看货源
内容描述: 中密度高性能线的基于ARM的32位MCU,具有64或128 KB的闪存, USB , CAN ,7个定时器, 2的ADC , 9融为一体。接口 [Medium-density performance line ARM-based 32-bit MCU with 64 or 128 KB Flash, USB, CAN, 7 timers, 2 ADCs, 9 com. interfaces]
分类和应用: 闪存
文件页数/大小: 105 页 / 1316 K
品牌: STMICROELECTRONICS [ STMICROELECTRONICS ]
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STM32F103x8, STM32F103xB
Figure 32. I
2
C bus AC waveforms and measurement circuit
Electrical characteristics
Rp
Rp
Rs
Rs
1. Measurement points are done at CMOS levels: 0.3V
DD
and 0.7V
DD
.
2. Rs = Series protection resistors, Rp = Pull-up resistors, V
DD_I2C
= I2C bus supply.
Table 41.
SCL frequency (f
PCLK1
= 36 MHz.,V
DD_I2C
= 3.3 V)
(1)(2)
I2C_CCR value
f
SCL
(kHz)
R
P
= 4.7 kΩ
400
300
200
100
50
20
0x801E
0x8028
0x803C
0x00B4
0x0168
0x0384
1. R
P
= External pull-up resistance, f
SCL
= I
2
C speed,
2. For speeds around 200 kHz, the tolerance on the achieved speed is of
±5%.
For other speed ranges, the
tolerance on the achieved speed
±2%.
These variations depend on the accuracy of the external
components used to design the application.
Doc ID 13587 Rev 15
71/105