Datasheet

Description STM32L452xx
14/210 DocID029968 Rev 3
Table 2. STM32L452xx family device features and peripheral counts
Peripheral STM32L452Vx STM32L452Rx STM32L452Cx
Flash memory 256KB 512KB 256KB 512KB 256KB 512KB
SRAM 160KB
Quad SPI Yes
Timers
Advanced
control
1 (16-bit)
General
purpose
2 (16-bit)
1 (32-bit)
Basic 2 (16-bit)
Low -power 2 (16-bit)
SysTick timer 1
Watchdog
timers
(independent,
window)
2
Comm.
interfaces
SPI 3
I
2
C4
USART
UART
LPUART
3
1
1
SAI 1
CAN 1
USB FS Yes
SDMMC Yes
(1)
No
RTC Yes
Tamper pins 3 2 2
Random generator Yes
GPIOs
(2)
Wakeup pins
83
5
52
4
(1)
38
3
Capacitive sensing
Number of channels
21 12 6
12-bit ADC
Number of channels
1
16
1
16
(1)
1
10
12-bit DAC channels 1
Internal voltage reference
buffer
Yes
No
Analog comparator 2
Operational amplifiers 1
Max. CPU frequency 80 MHz
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