Datasheet

Description STM32L071xx
12/144 DS10690 Rev 6
2.1 Device overview
Table 2. Ultra-low-power STM32L071xx device features and peripheral counts
Peripheral
STM32L
071K8
STM32L
071C8
STM32L
071V8
STM32L
071KB
STM32L
071CB
STM32L
071VB
STM32L
071RB
STM32L
071KZ
STM32L
071CZ
STM32L
071VZ
STM32L
071RZ
Flash (Kbytes) 64 Kbytes 128 Kbytes 192 Kbytes
Data EEPROM (Kbytes) 3 Kbytes 6 Kbytes
RAM (Kbytes) 20 Kbytes
Timers
General-
purpose
4
Basic 2
LPTIMER 1
RTC/SYSTICK/IWDG
/WWDG
1/1/1/1
Com.
interfaces
SPI/I2S 4(3)
(1)
/0 6(4)
(2)
/1 4(3)
(1)
/0 6(4)
(2)
/1 4(3)
(1)
/0 6(4)
(2)
/1
I
2
C 23 2 3 2 3
USART 344
(3)
44
(3)
4
LPUART 1
GPIOs 23 37 84 25
(3)
40
(4)
84 51
(5)
25
(3)
40
(4)
84 51
(5)
Clocks:
HSE/LSE/HSI/MSI/LSI
1/1/1/1/1
12-bit synchronized
ADC
Number of channels
1
10
1
13
1
16
1
10
1
13
(4)
1
16
1
16
(5)
1
10
1
13
(4)
1
16
1
16
(5)
Comparators 2
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 to 3.6 V without BOR option
Operating
temperatures
Ambient temperature: –40 to +125 °C
Junction temperature: –40 to +130 °C
Packages
UFQFPN
32
LQFP48
LQFP/
UFBGA
100
UFQFPN/
LQFP32
LQFP48,
WLCSP49
LQFP/
UFBGA
100
LQFP/
TFBGA
64
UFQFPN/
LQFP32
LQFP48,
WLCSP49
LQFP/
UFBGA
100
LQFP/
TFBGA
64
1. 3 SPI interfaces are USARTs operating in SPI master mode.
2. 4 SPI interfaces are USARTs operating in SPI master mode.
3. UFQFPN32 has 2 GPIOs and 1 UART less than LQFP32.
4. LQFP48 has three GPIOs less than WLCSP49.
5. TFBGA64 has one GPIO, one ADC input less than LQFP64.
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