STM32F103ZCT7 STMicroelectronics, STM32F103ZCT7 Datasheet - Page 89

• Manufacturer Part Number: STM32F103ZCT7
• Description: MCU ARM 32BIT 256KB FLSH 144LQFP
• Manufacturer: STMicroelectronics
• Series: STM32r

Specifications of STM32F103ZCT7

• Core Processor: ARM® Cortex-M3™
• Core Size: 32-Bit
• Speed: 72MHz
• Connectivity: CAN, I²C, IrDA, LIN, SPI, UART/USART, USB
• Peripherals: DMA, Motor Control PWM, PDR, POR, PVD, PWM, Temp Sensor, WDT
• Number Of I /o: 112
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 48K x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 3.6 V
• Data Converters: A/D 21x12b; D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 144-LFQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

STM32F103xC, STM32F103xD, STM32F103xE
Figure 44. I
1. Measurement points are done at CMOS levels: 0.3V
Table 51.
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(SCKH)
S TART
SCL frequency (f
I
2
2
C bus AC waveforms and measurement circuit
C bus
t h(STA)
f
SCL
400
300
200
100
50
20
(kHz)
t r(SDA)
4 .7 kΩ
t r(SCK)
V DD
t w(SCKL)
Doc ID 14611 Rev 7
SCL
PCLK1
4 .7 kΩ
= I
2
C speed.
t su(SDA)
= 36 MHz.,V
V DD
100Ω
100Ω
t f(SCK)
DD
t h(SDA)
and 0.7V
DD
= 3.3 V)
STM32F103xx
SDA
SCL
DD
t su(STA)
.
(1)(2)
I2C_CCR value
R
S TOP
S TART REPEATED
P
0x801E
0x803C
0x00B4
Electrical characteristics
0x8028
0x0168
0x0384
= 4.7 k
t su(STO)
t su(STA:STO)
S TART
ai14149b
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