Datasheet

ManualsBrandsST ManualsEmbedded Processors & ControllersMicrocontroller 32bit 64KB LQFP

134

135

136

137

138

139

140

141

142

143

Revision history STM32L052x6 STM32L052x8

142/143 DocID025936 Rev 8

07-Mar-

2017

Added thin WLCSP36 package.

Updated number of I2S interfaces and removed I2S for STM32L052T8 in

Table 2: Ultra-low-power STM32L052x6/x8 device features and peripheral

counts.

In Section 4: Pin descriptions, renamed USB_OE into USB_NOE.

Added mission profile compliance with JEDEC JESD47 in Section 6.2:

Absolute maximum ratings.

Added note 2. related to the position of the external capacitor below

Figure 26: Recommended NRST pin protection.

Updated R

in Table 63: ADC characteristics.

Updated Figure 31: 12-bit buffered/non-buffered DAC and added note

below figure.

Updated t

maximum value for range 1 in Table 72: I2C analog filter

characteristics.

Updated t

WUUSART

description in Table 73: USART/LPUART characteristics.

NSS timing waveforms updated in Figure 32: SPI timing diagram - slave

mode and CPHA = 0 and Figure 33: SPI timing diagram - slave mode and

CPHA = 1(1).

Previous WLCSP36 package renamed “Standard” WLCSP36; added Note

2. below Figure 47: Standard WLCSP36 - 2.61 x 2.88 mm, 0.4 mm pitch

wafer level chip scale package outline and updated Table 84: Standard

WLCSP36 - 2.61 x 2.88 mm, 0.4 mm pitch wafer level chip scale

mechanical data.

Added reference to optional marking or inset/upset marks in all package

device marking sections.

11-Sep-

2017

Memories and I/Os moved after Core in Features.

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 5: Memory mapping, replaced memory mapping schematic by

reference to the reference manual.

Removed Table 90: USART/LPUART characteristics.

Updated Figure 41: TFBGA64 – 64-ball, 5 x 5 mm, 0.5 mm pitch thin profile

fine pitch ball grid array package outline.

Updated note below marking schematics.

Table 92. Document revision history (continued)

Date Revision Changes

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