STM32F101C8 STMicroelectronics, STM32F101C8 Datasheet - Page 69

• Manufacturer Part Number: STM32F101C8
• Description: Mainstream Access line, ARM Cortex-M3 MCU with 64 Kbytes Flash, 36 MHz CPU
• Manufacturer: STMicroelectronics

Specifications of STM32F101C8

• Peripherals Supported: timers, ADC, SPIs, I2Cs and USARTs
• Conversion Range: 0 to 3.6 V
• Systick Timer: 24-bit downcounter

STM32F101x8, STM32F101xB
Figure 34. Typical connection diagram using the ADC
1. Refer to
2. C
General PCB design guidelines
Power supply decoupling should be performed as shown in
depending on whether V
ceramic (good quality). They should be placed them as close as possible to the chip.
Figure 35. Power supply and reference decoupling (V
1. V
pad capacitance (roughly 7 pF). A high C
this, f
REF+
parasitic
ADC
and V
V AIN
Table 42
represents the capacitance of the PCB (dependent on soldering and PCB layout quality) plus the
should be reduced.
REF-
1 µF // 10 nF
R AIN (1)
inputs are available only on 100-pin packages.
for the values of R
C parasitic
REF+
AINx
Doc ID 13586 Rev 14
is connected to V
AIN
1 µF // 10 nF
, R
V DD
parasitic
ADC
0.6 V
0.6 V
V T
V T
and C
value will downgrade conversion accuracy. To remedy
ADC
DDA
I L ±1 µA
.
or not. The 10 nF capacitors should be
V REF+
V DDA
V SSA /V REF-
STM32F10xxx
Sample and hold ADC
converter
R ADC (1)
REF+
Figure 35
C ADC (1)
not connected to V
converter
Electrical characteristics
12-bit
STM32F10xxx
or
Figure
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36,
DDA
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