Datasheet

Revision history STM32L071xx
142/144 DS10690 Rev 6
14-Sep-2017 4
Memories and I/Os moved after Core in Features.
Table 2: Ultra-low-power STM32L071xx 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.
In Section 5: Memory mapping, replaced memory mapping
schematic by reference to the reference manual.
Update note related to PA11/12 below Figure 3: STM32L071xx
LQFP100 pinout - 14 x 14 mm, Figure 4: STM32L071xx UFBGA100
ballout - 7x 7 mm, Figure 5: STM32L071xx LQFP64 pinout - 10 x 10
mm, Figure 6: STM32L071xx UFBGA64/TFBGA64 ballout - 5x 5
mm, Figure 7: STM32L071xx WLCSP49 ballout, Figure 8:
STM32L071xx LQFP48 pinout - 7 x 7 mm and Figure 10:
STM32L071xx UFQFPN32 pinout.
Updated Figure 7: STM32L071xx WLCSP49 ballout.
Added mission profile compliance with JEDEC JESD47 in
Section 6.2: Absolute maximum ratings.
Removed CRS from Table 39: Peripheral current consumption in
Run or Sleep mode.
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 58: I/O static characteristics.
Updated minimum and maximum values of NRST weak pull-up
equivalent resistor (R
PU
) in Table 61: 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 62: ADC characteristics.
Updated t
AF
maximum value for range 1 in Table 70: I2C analog filter
characteristics.
Removed Table 90: USART/LPUART characteristics.
NSS timing waveforms updated in Figure 33: SPI timing diagram -
slave mode and CPHA = 0 and Figure 34: SPI timing diagram - slave
mode and CPHA = 1
(1)
.
Updated Figure 48: 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 90. Document revision history
Date Revision Changes
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