STM32F042F4 datasheet(114/117 Pages) STMICROELECTRONICS

114 / 117 page

Revision history

STM32F042x4 STM32F042x6

114/117

DocID025832 Rev 5

Revision history

Table 76. Document revision history

Date

Revision

Changes

25-Feb-2014

Initial release.

03-Apr-2014

Added the sample engineering sections for all the packages in the

chapter Package information:

Updated tables:

– STM32F042x4/x6 USART implementation: added one table

footnote.

– STM32F042x pin definitions,

– Current characteristics,

– Typical and maximum current consumption from VDD supply at VDD

= 3.6 V,

– Typical and maximum current consumption from the VDDA supply,

– Typical and maximum consumption in Stop and Standby modes,

– Typical and maximum current consumption from the VBAT supply,

– Typical current consumption, code executing from Flash, running

from HSE 8 MHz crystal,

– Flash memory characteristics,

– I/O static characteristics,

– I/O current injection susceptibility,

– EMS characteristics,

– EMI characteristics,

Updated figures:

– UFQFPN32 32-pin package pinout,

– UQFPN28 28-pin package,

– Power supply scheme,

– TC and TTa I/O input characteristics,

– Five volt tolerant (FT and FTf) I/O input characteristics.

– LQFP48 marking example (package top view),

– UFQFPN48 marking example (package top view),

– WLCSP36 marking example (package top view),

– LQFP32 marking example (package top view),

– UFQFPN28 marking example (package top view),

– UFQFPN32 marking example (package top view),

– TSSOP20 marking example (package top view)

26-Oct-2015

Cover page:

number of I/Os and timers updated.

Updates in Section 2: Description:

– updated Figure 1: Block diagram

Updates in Section 3: Functional overview:

– updated Figure 2: Clock tree

– addition of the number of complementary outputs for the advanced

control timer and for TIM16, TIM17 general purpose timers in

Table 7: Timer feature comparison

– removal of USART2 from Figure 3.5.4: Low-power modes

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