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STM32F479AI 数据表(PDF) 155 Page - STMicroelectronics

部件名 STM32F479AI
功能描述  ARMCortex-M4 32b MCUFPU, 225DMIPS, up to 2MB Flash/3844KB RAM, USB OTG HS/FS, Ethernet, FMC, dual Quad-SPI, Crypto, Graphical accelerator, Camera IF, LCD-TFT & MIPI DSI
PDF  217 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STM32F479AI 数据表(HTML) 155 Page - STMicroelectronics

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STM32F479xx
Electrical characteristics
190
CAN (controller area network) interface
Refer to Section 5.3.20 for more details on the input/output alternate function characteristics
(CANx_TX and CANx_RX).
5.3.24
12-bit ADC characteristics
Unless otherwise specified, the parameters given in Table 76 are derived from tests
performed under the ambient temperature, fPCLK2 frequency and VDDA supply voltage
conditions summarized in Table 17.
Table 76. ADC characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VDDA
Power supply
VDDA −VREF+ < 1.2 V
1.7(1)
-3.6
V
VREF+
Positive reference voltage
1.7(1)
-VDDA
VREF-
Negative reference voltage
-
0
-
fADC
ADC clock frequency
VDDA = 1.7(1) to 2.4 V
0.6
15
18
MHz
VDDA = 2.4 to 3.6 V
0.6
30
36
fTRIG(2) External trigger frequency
fADC = 30 MHz,
12-bit resolution
-
-
1764
kHz
--
-
17
1/fADC
VAIN
Conversion voltage range(3)
-
0
(VSSA or VREF-
tied to ground)
-VREF+
V
RAIN(2)
External input impedance
Details in Equation 1
--
50
k
Ω
RADC(2)(4) Sampling switch resistance
-
-
-
6
k
Ω
CADC(2)
Internal sample and hold
capacitor
--
4
7
pF
tlat(2)
Injection trigger conversion
latency
fADC = 30 MHz
-
-
0.100
µs
--
-
3(5)
1/fADC
tlatr(2)
Regular trigger conversion
latency
fADC = 30 MHz
-
-
0.067
µs
--
2(5)
1/fADC
tS(2)
Sampling time
fADC = 30 MHz
0.100
-
16
µs
-
3
-
480
1/fADC
tSTAB(2) Power-up time
-
-
2
3
µs



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