STM32F103ZC STMicroelectronics, STM32F103ZC Datasheet - Page 94

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STM32F103ZC

Manufacturer Part Number
STM32F103ZC
Description
Mainstream Performance line, ARM Cortex-M3 MCU with 256 Kbytes Flash, 72 MHz CPU, motor control, USB and CAN
Manufacturer
STMicroelectronics
Datasheet

Specifications of STM32F103ZC

Core
ARM 32-bit Cortex™-M3 CPU
Conversion Range
0 to 3.6 V
Dma
12-channel DMA controller
Supported Peripherals
timers, ADCs, DAC, SDIO, I2Ss, SPIs, I2Cs and USARTs
Systick Timer
a 24-bit downcounter

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Electrical characteristics
Figure 48. I
94/130
t f(SDA)
SDA
SCL
t w(SCLH)
1. Measurement points are done at CMOS levels: 0.3V
Table 52.
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 14611 Rev 8
V DD
PCLK1
= I
2
100
100
C speed.
= 36 MHz.,V
t f(SCL)
t h(SDA)
STM32F103xC, STM32F103xD, STM32F103xE
STM32F103xx
SDA
SCL
DD
and 0.7V
DD
t su(STA)
= 3.3 V)
DD
S TOP
.
S TART REPEATED
(1)(2)
I2C_CCR value
R
P
t su(STO)
0x801E
0x803C
0x00B4
0x8028
0x0168
0x0384
= 4.7 kΩ
t w(STO:STA)
S TART
ai14149c

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