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STM32L412R8Y3 数据表(PDF) 28 Page - STMicroelectronics

部件名 STM32L412R8Y3
功能描述  Ultra-low-power Arm® Cortex®-M4 32-bit MCUFPU, 100DMIPS, up to 128KB Flash, 40KB SRAM, analog, ext. SMPS
PDF  192 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STM32L412R8Y3 数据表(HTML) 28 Page - STMicroelectronics

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Functional overview
STM32L412xx
28/192
DS12469 Rev 4
Table 5. Functionalities depending on the working mode(1)
Peripheral
Run
Sleep
Low-
power
run
Low-
power
sleep
Stop 0/1
Stop 2
Standby Shutdown
VBAT
-
-
-
-
CPU
Y
-
Y
-
-
--
--
--
--
Flash memory (up to
128 KB)
O(2)
O(2)
O(2)
O(2)
-
--
--
--
--
SRAM1 (32 KB)
Y
Y(3)
YY(3)
Y
-Y
--
--
--
SRAM2 (8 KB)
Y
Y(3)
YY(3)
Y
-Y
-O(4)
--
--
Quad SPI
O
O
O
O
-
--
--
--
--
Backup Registers
Y
Y
Y
Y
Y
-Y
-Y
-Y
-Y
Brown-out reset
(BOR)
YY
YY
Y
YY
YY
Y-
--
Programmable
Voltage Detector
(PVD)
O
OOO
O
OO
O-
--
--
Peripheral Voltage
Monitor (PVMx;
x=1,3,4)
O
OOO
O
OO
O-
--
--
DMA
O
OOO
-
--
--
--
--
High Speed Internal
(HSI16)
O
OOO
(5)
-
(5)
--
--
--
Oscillator RC48
O
O
-
-
-
--
--
--
--
High Speed External
(HSE)
O
OOO
-
--
--
--
--
Low Speed Internal
(LSI)
O
OOO
O
-O
-O
--
--
Low Speed External
(LSE)
O
OOO
O
-O
-O
-O
-O
Multi-Speed Internal
(MSI)
O
OOO
-
--
--
--
--
Clock Security
System (CSS)
O
OOO
-
--
--
--
--
Clock Security
System on LSE
O
OOO
O
OO
OO
O-
--
RTC / Auto wakeup
O
O
O
O
O
OO
OO
OO
OO
Number of RTC
Tamper pins
22
22
2
O2
O2
O2
O2
USARTx (x=1,2,3)
O
O
O
O
O(6) O(6)
-
--
--
--



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