STM32F042C4 datasheet(116/117 Pages) STMICROELECTRONICS

116 / 117 page

Revision history

STM32F042x4 STM32F042x6

116/117

DocID025832 Rev 5

16-Dec-2015

Section 3: Functional overview:

– Figure 2: Clock tree modified

Section 4: Pinouts and pin descriptions:

– Package pinout figures updated (look and feel)

– Figure 5: WLCSP36 package pinout- now presented in top view

– Table 13: STM32F042x pin definitions - note 3 added; CIMP1_OUT

and USART4_CTS removed

– Table 15: Alternate functions selected through GPIOB_AFR

registers for port B

- change of I2C2_SDA and I2C2_SCL to

I2C1_SDA and I2C1_SCL

Section 5: Memory mapping:

– Table 17: STM32F042x4/x6 peripheral register boundary addresses

- change of “SYSCFG + COMP” to “SYSCFG”

Section 6: Electrical characteristics:

– Table 50: I/O static characteristics- removed note

– Section 6.3.16: 12-bit ADC characteristics - changed introductory

sentence

Section 7: Package information:

– Figure 49: Recommended footprint for UFQFPN28 package

distance between corner pads added

10-Jan-2017

Section 6: Electrical characteristics:

– Table 37: LSE oscillator characteristics (fLSE = 32.768 kHz) -

information on configuring different drive capabilities removed. See

the corresponding reference manual.

– Table 25: Embedded internal reference voltage - VREFINT values

– Figure 28: SPI timing diagram - slave mode and CPHA = 0 and

Figure 29: SPI timing diagram - slave mode and CPHA = 1

enhanced and corrected

Section 8: Ordering information:

– The name of the section changed from the previous “Part

numbering”

Table 76. Document revision history (continued)

Date

Revision

Changes

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