STM32F103ZCT7 STMicroelectronics, STM32F103ZCT7 Datasheet - Page 101

• 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 54. 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 55. Power supply and reference decoupling (V
1. V
pad capacitance (roughly 7 pF). A high C
this, f
REF+
parasitic
ADC
V AIN
and V
Table 58
represents the capacitance of the PCB (dependent on soldering and PCB layout quality) plus the
should be reduced.
R AIN (1)
REF–
1 µF // 10 nF
for the values of R
inputs are available only on 100-pin packages.
C parasitic
AINx
REF+
is connected to V
Doc ID 14611 Rev 7
AIN
V DD
1 µF // 10 nF
, R
parasitic
ADC
0.6 V
0.6 V
V T
V T
and C
value will downgrade conversion accuracy. To remedy
ADC
I L ±1 µA
DDA
.
or not. The 10 nF capacitors should be
V
V
STM32F103xx
V
(see note 1)
R ADC (1)
DDA
SSA
Sample and hold ADC
converter
REF+
/V
(see note 1)
REF+
Figure 55
REF–
C ADC (1)
STM32F103xx
not connected to
converter
Electrical characteristics
12-bit
or
Figure
ai14388b
56,
ai14150c
V
DDA
101/123
)