STM32F102CBT6 STMicroelectronics, STM32F102CBT6 Datasheet - Page 53

• Manufacturer Part Number: STM32F102CBT6
• Description: MCU ARM 32BIT 128KB FLASH 48LQFP
• Manufacturer: STMicroelectronics
• Series: STM32r

Specifications of STM32F102CBT6

• 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
• For Use With: 497-10030 - STARTER KIT FOR STM32497-8853 - BOARD DEMO STM32 UNIV USB-UUSCIKSDKSTM32-PL - KIT IAR KICKSTART STM32 CORTEXM3497-8512 - KIT STARTER FOR STM32F10XE MCU497-8505 - KIT STARTER FOR STM32F10XE MCU497-8304 - KIT STM32 MOTOR DRIVER BLDC497-6438 - BOARD EVALUTION FOR STM32 512K497-6289 - KIT PERFORMANCE STICK FOR STM32MCBSTM32UME - BOARD EVAL MCBSTM32 + ULINK-MEMCBSTM32U - BOARD EVAL MCBSTM32 + ULINK2497-6053 - KIT STARTER FOR STM32497-6052 - KIT STARTER FOR STM32497-6050 - KIT STARTER FOR STM32497-6049 - KIT EVALUATION LOW COST STM32497-6048 - BOARD EVALUATION FOR STM32497-6047 - KIT DEVELOPMENT FOR STM32497-5046 - KIT TOOL FOR ST7/UPSD/STR7 MCU
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Other names: 497-8308

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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