Description
STM32F105xx, STM32F107xx
2.1
Device overview
Figure 1 shows the general block diagram of the device family.
Table 2.
STM32F105xx and STM32F107xx features and peripheral counts
Peripherals(1)
STM32F105Rx
STM32F107Rx
128 256
STM32F105Vx
STM32F107Vx
128 256
Flash memory in Kbytes
SRAM in Kbytes
64
128
No
256
64
128
256
64
LQFP
100
LQFP100,
BGA100
Package
Ethernet
LQFP64
LQFP100
Yes
No
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
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.
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Doc ID 15274 Rev 6
STMICROELECTRONICS [ ST ]
