Datasheet

ManualsBrandsST ManualsEmbedded Processors & ControllersMicrocontroller 32bit 256KB UFQFPN

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DocID028794 Rev 4 221/224

STM32L433xx Revision history

223

9 Revision history

Table 116. Document revision history

Date Revision Changes

08-Feb-2016 1 Initial release.

24-May-2016 2

Updated document title.

Updated Table 2: STM32L433xx family device features

and peripheral counts.

Updated Section 3.15.3: VBAT battery voltage

monitoring.

Updated Section 3.26: Universal

synchronous/asynchronous receiver transmitter

(USART).

Updated Table 15: STM32L433xx pin definitions.

Updated Table 17: Alternate function AF8 to AF15 (for

AF0 to AF7 see Table 16).

Updated Table 19: Voltage characteristics.

Updated Table 22: General operating conditions.

Added Figure 19: VREFINT versus temperature.

Updated Table 24: Embedded reset and power control

block characteristics.

Updated Table 26 to Table 30 and Table 41 to Table 51.

Updated Table 51: Low-power mode wakeup timings.

Added Table 53: Wakeup time using USART/LPUART.

Updated Table 59: MSI oscillator characteristics.

Added Table 60: HSI48 oscillator characteristics.

Added Figure 26: HSI48 frequency versus temperature.

Updated Table 62: PLL, PLLSAI1 characteristics.

Updated introduction of Section 6.3.14: I/O port

characteristics.

Added note to Figure 29: Recommended NRST pin

protection.

Updated Table 74: Analog switches booster

characteristics.

Updated Table 75: ADC characteristics.

Updated Table 83: VREFBUF characteristics.

Updated Table 84: COMP characteristics.

Updated Table 100: USB electrical characteristics.

Added Section : SWPMI characteristics.

Updated Table 114: Package thermal characteristics.

21-Apr-2017 3

In whole document:

– Introduced SMPS product variant

Updated Section 2: Description.

Updated Table 2: STM32L433xx family device features

and peripheral counts.

Updated Section 3.9.1: Power supply schemes included

Figure 2: Power supply overview.

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