STM32F031X4 datasheet(104/106 Pages) STMICROELECTRONICS

104 / 106 page

Revision history

STM32F031x4 STM32F031x6

104/106

DocID025743 Rev 4

28-Aug-2015

(continued)

Added WLCSP25 package, updates in the following:

– Table 1: Device summary,

– Section 2: Description,

– Table 2: STM32F031x4/x6 family device features and

peripheral counts,

– Section 4: Pinouts and pin description: addition of

Figure 7: WLCSP25 25-ball package ballout (bump

side) and update of Table 11: Pin definitions,

– Table 18: General operating conditions,

– Section 7: Package information with the addition of

Section 7.5: WLCSP25 package information,

– Table 68: Package thermal characteristics.

16-Dec-2015

Cover page:

– number of timers added in the title

– Table 1: Device summary - STM32F031x4 added

Section 2: Description:

– Figure 1: Block diagram updated

Section 3: Functional overview:

– Figure 2: Clock tree updated

– Section 3.5.4: Low-power modes - added explicit inf.

on peripherals configurable to operate with HSI

– Section 3.10.2: Internal voltage reference (VREFINT)

- removed information on comparators

– Section 3.11.2: General-purpose timers (TIM2, 3, 14,

16, 17) - number of gen-purpose timers corrected

– Section Table 7.: STM32F031x4/x6 I2C

implementation - added 20mA output drive current

Section 4: Pinouts and pin descriptions:

– Package pinout figures updated (look and feel)

– Figure 7: WLCSP25 package pinout - now presented

in top view

– Table 11: Pin definitions - notes 3 and 6 added

Section 5: Memory mapping:

– added information on memory mapping difference of

STM32F031x4 from STM32F031x6

Section 6: Electrical characteristics:

– Table 22: Embedded internal reference voltage:

removed -40°-to-85° condition and associated note for

VREFINT

– Table 25 and Table 26 values rounded to 1 decimal

– Table 46: I/O static characteristics - removed note

– Table 50: ADC characteristics - updated some

parameter values, test conditions and added

footnotes (3) and (4)

Table 70. Document revision history (continued)

Date

Revision

Changes

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