Datasheet

Revision history STM32F031x4 STM32F031x6
104/106 DocID025743 Rev 6
28-Aug-2015
3
(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 4
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 (V
REFINT
) -
removed information on comparators
– Section 3.11.2: General-purpose timers (TIM2, 3, 14,
16, 17) - number of gen-purpose timers corrected
– Table 7: STM32F031x4/x6 I
2
C implementation -
added 20mA output drive current
Section 4: Pinouts and pin description:
– 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
V
REFINT
– 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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