Datasheet

Revision history STM32L072xx
148/149 DocID027100 Rev 4
13-Sep-2017 4
Memories and I/Os moved after Core in Features.
Table 2: Ultra-low-power STM32L072xx device features and
peripheral counts: changed number of USART for
LQFP32/UFQFPN32 and added note 3.
Removed column "I/O operation" from Table 3: Functionalities
depending on the operating power supply range and added note
related to GPIO speed.
Updated V
DD_USB
in Section 3.4.1: Power supply schemes.
In Section 4: Pin descriptions, renamed USB_OE into USB_NOE.
In Section 5: Memory mapping, replaced memory mapping
schematic by reference to the reference manual.
Updated Figure 7: STM32L072xx WLCSP49 ballout.
Added mission profile compliance with JEDEC JESD47 in
Section 6.2: Absolute maximum ratings.
Updated minimum and maximum values of I/O weak pull-up
equivalent resistor (R
PU
) and weak pull-down equivalent resistor
(R
PD
) in Table 60: I/O static characteristics.
Updated minimum and maximum values of NRST weak pull-up
equivalent resistor (R
PU
) in Table 63: NRST pin characteristics.
Added note 2. related to the position of the external capacitor below
Figure 28: Recommended NRST pin protection.
Updated R
AIN
in Table 64: ADC characteristics.
Updated Figure 33: 12-bit buffered/non-buffered DAC and added
note below figure.
Updated t
AF
maximum value for range 1 in Table 73: I2C analog filter
characteristics.
Removed Table 90: USART/LPUART characteristics.
NSS timing waveforms updated in Figure 34: SPI timing diagram -
slave mode and CPHA = 0 and Figure 35: SPI timing diagram - slave
mode and CPHA = 1(1).
Updated Figure 50: TFBGA64 – 64-ball, 5 x 5 mm, 0.5 mm pitch thin
profile fine pitch ball grid array package outline.
Added reference to optional marking or inset/upset marks in all
package device marking sections.
Updated note below marking schematics.
Table 96. Document revision history
Date Revision Changes
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