Description
STM32F105xx, STM32F107xx
These features make the STM32F105xx and STM32F107xx connectivity line
microcontroller family suitable for a wide range of applications:
G
G
G
G
G
Motor drive and application control
Medical and handheld equipment
Industrial applications: PLC, inverters, printers, and scanners
Alarm systems, Video intercom, and HVAC
Home audio equipment
Figure 1 shows the general block diagram of the device family.
2.1
Device overview
Table 2.
STM32F105xx and STM32F107xx features and peripheral counts
Peripherals(1)
STM32F105Rx
STM32F107Rx
STM32F105Vx
STM32F107Vx
Flash memory in Kbytes
SRAM in Kbytes
Ethernet
64
20
128
256
128
48
256
64
64
20
128
256
128
48
256
64
32 64
No
32 64
No
Yes
Yes
General-purpose
4
1
2
Timers
Advanced-control
Basic
SPI(I2S)(2)
I2C
3(2)
2
3(2)
1
3(2)
2
3(2)
1
Communication
interfaces
USART
5
Yes
2
USB OTG FS
CAN
GPIOs
51
80
12-bit ADC
2
Number of channels
16
12-bit DAC
2
2
Number of channels
CPU frequency
72 MHz
Operating voltage
2.0 to 3.6 V
Ambient temperatures: –40 to +85 °C /–40 to +105 °C
Junction temperature: –40 to + 125 °C
Operating temperatures
Package
LQFP64
LQFP100
1. Please refer to Table 5: Pin definitions for peripheral availability when the I/O pins are shared by the peripherals required
by the application.
2. The SPI2 and SPI3 interfaces give the flexibility to work in either the SPI mode or the I2S audio mode.
10/95
Doc ID 15274 Rev 4
STMICROELECTRONICS [ ST ]
