STM32L081CB datasheet(108/110 Pages) STMICROELECTRONICS

108 / 110 page

Revision history

STM32L081xx

108/110

DocID027513 Rev 4

Revision history

Table 76. Document revision history

Date

Revision

Changes

07-Sep-2015

Initial release

23-Oct-2015

Added STM32L081KZ part number.

Changed confidentiality level to public.

Updated datasheet status to “production data”.

Modified ultra-low-power platform features on cover page.

Updated number of ADC channels for STM32L081CB and

STM32L081CZ in Table 1: Ultra-low-power STM32L081xx device

features and peripheral counts.

Changed name of LQFP48 pin 36 to VDDOI2.

In Section 6: Electrical characteristics, updated notes related to

values guaranteed by characterization.

Updated fTRIG in Table 57: ADC characteristics.

22-Mar-2016

Updated number of SPIs on cover page and in Table 1: Ultra-low-

power STM32L081xx device features and peripheral counts.

Changed minimum comparator supply voltage to 1.65 V on cover

page.

Added number of fast and standard channels in Section 3.11:

Analog-to-digital converter (ADC).

Updated Section 3.16.2: Universal synchronous/asynchronous

receiver transmitter (USART) and Section 3.16.4: Serial peripheral

interface (SPI)/Inter-integrated sound (I2S) to mention the fact that

USARTs with synchronous mode feature can be used as SPI master

interfaces.

Added baudrate allowing to wake up the MCU from Stop mode in

Section 3.16.2: Universal synchronous/asynchronous receiver

transmitter (USART) and Section 3.16.3: Low-power universal

asynchronous receiver transmitter (LPUART).

Changed VDDA minimum value to 1.65 V in Table 20: General

operating conditions.

Section 6.3.15: 12-bit ADC characteristics:

– Table 57: ADC characteristics:

Distinction made between VDDA for fast and standard channels;

added note 1.

Added note 4. related to RADC.

Updated fTRIG. and VAIN maximum value.

Updated tS and tCONV.

Added VREF+.

– Updated equation 1 description.

– Updated Table 58: RAIN max for fADC = 16 MHz for fADC =

16 MHz and distinction made between fast and standard channels.

Added Table 66: USART/LPUART characteristics.

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