Datasheet

Description STM32L151x6/8/B, STM32L152x6/8/B
10/131 DocID17659 Rev 9
2.1 Device overview
Table 2. Ultralow power STM32L15xxx device features and peripheral counts
Peripheral STM32L15xCx STM32L15xRx STM32L15xVx
Flash (Kbytes) 32 64 128 32 64 128 64 128
Data EEPROM (Kbytes) 4
RAM (Kbytes) 10 10 16 10 10 16 10 16
Timers
General-
purpose
6
Basic 2
Communication
interfaces
SPI 2
I
2
C 2
USART 3
USB 1
GPIOs 37 51 83
12-bit synchronized ADC
Number of channels
1
14 channels
1
20 channels
1
24 channels
12-bit DAC
Number of channels
2
2
LCD (STM32L152xx Only)
COM x SEG
4x18
4x32
8x28
4x44
8x40
Comparator 2
Capacitive sensing channels 13 20
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
Operating temperatures
Ambient temperatures: –40 to +85 °C
Junction temperature: –40 to + 105 °C
Packages LQFP48, UFQFPN48 LQFP64, BGA64 LQFP100, BGA100