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AN4228 데이터시트(PDF) 29 Page - STMicroelectronics

부품명 AN4228
상세설명  Migrating from STM32F1 to STM32F3 microcontrollers
PDF  90 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN4228 데이터시트(HTML) 29 Page - STMicroelectronics

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AN4228
Peripheral migration
89
3.10
SAR ADC interface
STM32F37xx ADC interface is identical to STM32F1xx, while a different ADC interface is
used in STM32F30xx devices.
The table below presents the differences between the ADC interface of STM32F1 series
and STM32F30x lines; these differences are the following:
New digital interface
New architecture and new features
Read Protection
Unprotection
Read protection disable
RDP = 0xA55A
Level 0 no protection
RDP = 0xAA
Protection
Read protection enable
RDP != 0xA55A
Level 1 memory protection
RDP != (Level 2 & Level 0)
Level 2: Lvl 1 + Debug
disabled
Write protection
Protection by 4-Kbyte block
Protection by a granularity of 2
pages
User Option bytes
STOP
STOP
STANDBY
STANDBY
WDG
WDG
NA
RAM_PARITY_CHECK
NA
VDDA_MONITOR
NA
nBOOT1
NA
SDADC12_VDD MONITOR
(available only on
STM32F37x)
Table 15. FLASH differences between STM32F1 and STM32F3 series (continued)
Feature
STM32F1 series
STM32F3 series
Table 16. ADC differences between STM32F1 series and STM32F30x lines
ADC
STM32F1 series STM32F30xxB/C
STM32F302x6/8/
STM32F301x6/8
STM32F303x6/8
STM32F30xxD/E
Instances
ADC1 / ADC2 /
ADC3
ADC1 / ADC2 /
ADC3 / ADC4
ADC1
ADC1 / ADC2
ADC1 / ADC2 /
ADC3 / ADC4
Maximum
sampling
frequency
1 MSPS
5.1 MSPS
5.1 MSPS
5.1 MSPS
5.1 MSPS
Number of
channels
Up to 21
Up to 39
+ 7 internal
Up to 15
+ 3 internal
Up to 21
+ 4 internal
Up to 40
+ 7 internal
Resolution
12 bits
Configurable to
12, 10, 8, and 6
bits
Configurable to
12, 10, 8, and 6
bits
Configurable to
12, 10, 8, and 6
bits
Configurable to
12, 10, 8, and 6
bits



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