Datasheet
DocID025936 Rev 8 11/143
STM32L052x6 STM32L052x8 Description
36
2.1 Device overview
Table 2. Ultra-low-power STM32L052x6/x8 device features and peripheral counts
Peripheral
STM32L0
52T6
STM32
L052K6
STM32
L052C6
STM32
L052R6
STM32L
052T8
STM32
L052K8
STM32
L052C8
STM32
L052R8
Flash (Kbytes) 32 64
Data EEPROM (Kbytes) 22
RAM (Kbytes) 88
Timers
General-
purpose
33
Basic 11
LPTIMER 11
RTC/SYSTICK/IWDG/
WWDG
1/1/1/1 1/1/1/1
Communic
ation
interfaces
SPI/I2S 3(2)
(1)
/0 3(2)
(1)
/0 4(2)
(1)
/1 3(2)
(1)
/0 3(2)
(1)
/0 4(2)
(1)
/1
I
2
C 21 2 21 2
USART 22
LPUART 10 1 10 1
USB/
(VDD_USB)
1/(0) 1/(1) 1/(0) 1/(1)
GPIOs 29 27
(2)
37 51
(3)
29 27
(2)
37 51
(3)
Clocks:
HSE/LSE/HSI/MSI/LSI
0/1/1/1/1 0/1/1/1/1 1/1/1/1/1 1/1/1/1/1 0/1/1/1/1 0/1/1/1/1 1/1/1/1/1 1/1/1/1/1
12-bit synchronized
ADC
Number of channels
1
10
1
10
1
10
1
16
(3)
1
10
1
10
1
10
1
16
(3)
12-bit DAC
Number of channels
1
1
1
1
Comparators 2
Capacitive sensing
channels
14 17 24
(3)
14 17 24
(3)
Max. CPU frequency 32 MHz
Operating voltage
1.8 V to 3.6 V (down to 1.65 V at power-down) with BOR option
1.65 V to 3.6 V without BOR option
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