STM32F103VF STMicroelectronics, STM32F103VF Datasheet - Page 92

• Manufacturer Part Number: STM32F103VF
• Description: Mainstream Performance line, ARM Cortex-M3 MCU with 768 Kbytes Flash, 72MHz CPU, motor control, USB and CAN
• Manufacturer: STMicroelectronics

Specifications of STM32F103VF

• Conversion Range: 0 to 3.6 V
• Supported Peripherals: timers, ADCs, DAC, SDIO, I2Ss, SPIs, I2Cs and USARTs
• Systick Timer: a 24-bit downcounter

Electrical characteristics
Figure 46. I
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t f(SDA)
SDA
SCL
t w(SCLH)
1. Measurement points are done at CMOS levels: 0.3V
Table 55.
1. R
2. For speeds around 200 kHz, the tolerance on the achieved speed is of ±5%. For other speed ranges, the
2
C bus AC waveforms and measurement circuit
tolerance on the achieved speed ±2%. These variations depend on the accuracy of the external
components used to design the application.
S TART
P
I
2
= External pull-up resistance, f
C bus
t h(STA)
SCL frequency (f
t r(SDA)
4 .7 k
f
t r(SCL)
SCL
400
300
200
100
50
20
V DD
t w(SCLL)
(kHz)
4 .7 k
t su(SDA)
SCL
Doc ID 16554 Rev 3
V DD
PCLK1
= I
2
100
100
C speed.
= 36 MHz.,V
t f(SCL)
t h(SDA)
STM32F103xx
SDA
SCL
DD
and 0.7V
DD
t su(STA)
= 3.3 V)
DD
S TOP
.
S TART REPEATED
(1)(2)
STM32F103xF, STM32F103xG
I2C_CCR value
R
P
t su(STO)
0x801E
0x803C
0x00B4
0x8028
0x0168
0x0384
= 4.7 kΩ
t w(STO:STA)
S TART
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