STM32F042xx
Table 2. STM32F042x device features and peripheral counts
Peripheral
Flash (Kbytes)
SRAM (Kbytes)
Advanced
control
Timers
General
purpose
(1)
SPI [I2S]
2
I
C
USART
Comm.
interfaces
CAN
USB
CEC
12-bit ADC
(number of channels)
GPIOs
Capacitive sensing
channels
Max. CPU frequency
Operating voltage
Operating temperature
Packages
1. The SPI1 interface can be used either in SPI mode or in I2S audio mode.
STM32F042Fx
STM32F042G
16
32
16
6
1
(9 ext. + 3 int.)
16
7
Ambient operating temperature: -40 °C to 85 °C / -40 °C to 105 °C
Junction temperature: -40 °C to 105 °C / -40 °C to 125 °C
TSSOP20
UQFPN28
DocID025832 Rev 2
STM32F042K
32
16
32
6
6
1 (16-bit)
4 (16-bit)
1 (32-bit)
1 [1]
1
2
1
1
1
(10 ext. + 3 int.)
26
24
28
13
11
14
48 MHz
2.0 to 3.6 V
LQFP32
UQFPN32
Description
STM32F042T
STM32F042C
16
32
16
6
1
30
14
LQFP48
WLCSP36
UFQFPN48
32
6
2 [1]
38
14
11/117
27
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