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STM32L4R9AI Datasheet(PDF) 34 Page - STMicroelectronics

Part # STM32L4R9AI
Description  Ultra-low-power Arm® Cortex®-M4 32-bit MCUFPU, 150DMIPS, up to 2MB Flash, 640KB SRAM, LCD-TFT & MIPI DSI, ext. SMPS
PDF  307 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32L4R9AI Datasheet(HTML) 34 Page - STMicroelectronics

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Functional overview
STM32L4R5xx, STM32L4R7xx and STM32L4R9xx
34/307
DS12023 Rev 5
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
(2 Mbytes)
O(2)
O(2)
O(2)
O(2)
-
--
--
--
--
SRAM1
(192 Kbytes)
YY(3)
YY(3)
Y
-Y
--
--
--
SRAM2 (64 Kbytes)
Y
Y(3)
YY(3)
Y
-Y
-O(4)
--
--
SRAM3
(384 Kbytes)
YY(3)
YY(3)
Y
-Y(3)
--
--
--
FSMC
O
OOO
-
--
--
--
--
OctoSPIs
O
O
O
O
-
--
--
--
--
Backup Registers
Y
Y
Y
Y
Y
-Y
-Y
-Y
-Y
Brownout reset
(BOR)
YY
YY
Y
YY
YY
Y-
--
Programmable
Voltage Detector
(PVD)
O
OOO
O
OO
O-
--
--
Peripheral Voltage
Monitor (PVMx;
x=1,2,3,4)
O
OOO
O
OO
O-
--
--
DMA
O
OOO
-
--
--
--
--
DMA2D
O
OOO
-
--
--
--
--
High speed internal
(HSI16)
O
OOO
(5)
-
(5)
--
--
--
Oscillator HSI48
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
-
--
--
--
--



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