Datasheet

Revision history STM32L052x6 STM32L052x8
140/143 DocID025936 Rev 8
23-Jul-
2015
5
Updated all pinout/ballout schematics except for LQFP32 to highlight
pin/ball supplied through VDD_USB.
Updated Table 16: STM32L052x6/8 pin definitions PC5 as FT pin.
Updated Figure 5: STM32L052x6/8 LQFP48 pinout - 7 x 7 mm, Figure 3:
STM32L052x6/8 LQFP64 pinout - 10 x 10 mm and Figure 4:
STM32L052x6/8 TFBGA64 ballout - 5x 5 mm.
Updated Figure 54, Figure 57, Figure 46, Figure 40 and Figure 43 device
marking example.
Updated current consumption in Run mode in Section : Features.
ADC no more available in Low-power run and Low-power Sleep modes in
Table 5: Functionalities depending on the working mode (from Run/active
down to standby).
Updated ES disclaimer.
Added CSP outline.
Updated Table 22: Voltage characteristics adding VDDA-VDDX variations
and adding note 3.
Renamed BOOT1 into nBOOT1.
Added t
UP_LDO
in Table 63: ADC characteristics.
Updated LQFP32 pinout (PC14).
Updated MSI oscillator temperature frequency drift in Table MSI oscillator
characteristics.
Added note related to Standby mode in table Peripheral current
consumption in Stop /standby.
Updated Section 1: Introduction packages from 32 pins to 64 pins.
I
2
C interface characteristics: updated introduction and characteristics table.
Changed USARTx_RTS into USARTx_RTS_DE and LPUARTx_RTS into
LPUARTx_RTS_DE.
Changed temperature condition in Table 8: Internal voltage reference
measured values and Table 27: Embedded internal reference voltage
calibration values.
Updated T
Coeff
in Table 28: Embedded internal reference voltage
.
Updated Figure 15: IDD vs VDD, at TA= 25/55/ 85/105/125 °C, Low-power
run mode, code running from RAM, Range 3, MSI (Range 0) at 64 KHz, 0
WS, Figure 16: IDD vs VDD, at TA= 25/55/ 85/105/125 °C, Stop mode with
RTC enabled and running on LSE Low drive and Figure 17: IDD vs VDD, at
TA= 25/55/85/105/125 °C, Stop mode with RTC disabled, all clocks OFF.
Updated Table 14: SPI/I2S implementation removing Rx/Tx FIFO and NSS
pulse mode rows.
Updated I
lkg
in Table 59: I/O static characteristics.
Updated VDD_USB in Table 25: General operating conditions.
Updated Table 2: Ultra-low-power STM32L052x6/x8 device features and
peripheral counts 2 comparators for all devices.
Updated Table 16: STM32L052x6/8 pin definitions VDD and VDD_USB
connected to respectively E5 and E6.
Updated Table 54: EMS characteristics LQFP64 conditions and level/class
3B.
Table 92. Document revision history (continued)
Date Revision Changes
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