STM32F102CBT6TR STMicroelectronics, STM32F102CBT6TR Datasheet - Page 53

• Manufacturer Part Number: STM32F102CBT6TR
• Description: MCU 32BIT ARM 128K FLASH 48-LQFP
• Manufacturer: STMicroelectronics
• Series: STM32r

Specifications of STM32F102CBT6TR

• Core Processor: ARM® Cortex-M3™
• Core Size: 32-Bit
• Speed: 48MHz
• Connectivity: I²C, IrDA, LIN, SPI, UART/USART, USB
• Peripherals: DMA, PDR, POR, PVD, PWM, Temp Sensor, WDT
• Number Of I /o: 37
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 3.6 V
• Data Converters: A/D 10x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-LQFP
• Processor Series: STM32F102x
• Core: ARM Cortex M3
• Data Bus Width: 32 bit
• Data Ram Size: 16 KB
• Interface Type: I2C, SPI, USART
• Maximum Clock Frequency: 48 MHz
• Number Of Programmable I/os: 37
• Number Of Timers: 6
• Operating Supply Voltage: 2 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWARM, EWARM-BL, MDK-ARM, RL-ARM, ULINK2
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 12 bit, 10 Channel
• For Use With: 497-10030 - STARTER KIT FOR STM32497-6438 - BOARD EVALUTION FOR STM32 512K
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

STM32F102x8, STM32F102xB
Figure 22. I
1. Measurement points are done at CMOS levels: 0.3V
Table 39.
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)
SDA
SCL
tolerance on the achieved speed 2%. These variations depend on the accuracy of the external
components used to design the application.
P
= External pull-up resistance, f
t w(SCKH)
S TART
SCL frequency (f
I²C bus
2
C bus AC waveforms and measurement circuit
t h(STA)
(kHz)
f
400
300
200
100
SCL
50
20
t r(SDA)
4 .7 kΩ
t r(SCK)
V DD
t w(SCKL)
Doc ID 15056 Rev 3
SCL
PCLK1
4 .7 kΩ
= I
2
t su(SDA)
C speed,
= 24 MHz, V
V DD
100 Ω
100 Ω
t f(SCK)
DD
t h(SDA)
and 0.7V
DD
= 3.3 V)
STM32F102xx
SDA
SCL
DD
t su(STA)
.
(1)(2)
I2C_CCR value
R
S TOP
S TART REPEATED
(1)
P
Electrical characteristics
0x803C
0x801E
0x00B4
0x8028
0x0168
0x0384
= 4.7 k
t su(STO)
t su(STA:STO)
S TART
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