STM32F215RGT6TR STMicroelectronics, STM32F215RGT6TR Datasheet - Page 103

• Manufacturer Part Number: STM32F215RGT6TR
• Description: ARM Microcontrollers - MCU STM32F21 High-Perf M3 1Mb 120 MHz MCU
• Manufacturer: STMicroelectronics

Specifications of STM32F215RGT6TR

• Product Category: ARM Microcontrollers - MCU
• Core: ARM Cortex M3
• Data Bus Width: 32 bit

STM32F21xxx
Figure 37. I
1. Measurement points are done at CMOS levels: 0.3V
Table 50.
1. R
2. For speeds around 200 kHz, the tolerance on the achieved speed is of ±5%. For other speed ranges, the
t f(SDA)
tolerance on the achieved speed ±2%. These variations depend on the accuracy of the external
components used to design the application.
SDA
SCL
P
= External pull-up resistance, f
t w(SCLH)
S TART
SCL frequency (f
2
I²C bus
C bus AC waveforms and measurement circuit
t h(STA)
f
SCL
400
300
200
100
50
20
(kHz)
t r(SDA)
4 .7 kΩ
t r(SCL)
V DD
t w(SCLL)
Doc ID 17050 Rev 8
SCL
PCLK1
= I
4 .7 kΩ
2
C speed,
= 30 MHz.,V
t su(SDA)
V DD
100 Ω
100 Ω
t f(SCL)
DD
t h(SDA)
and 0.7V
DD
= 3.3 V)
STM32Fxx
SDA
SCL
DD
t su(STA)
.
(1)(2)
I2C_CCR value
R
S TOP
P
S TART REPEATED
Electrical characteristics
0x012C
0x02EE
0x8019
0x8021
0x8032
0x0096
= 4.7 kΩ
t su(STO)
t w(STO:STA)
S TART
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