STM32F21xxx
Application block diagrams
Appendix A Application block diagrams
A.1 Main applications versus package
Table 91 gives examples of configurations for each package.
Table 91. Main applications versus package for STM32F2xxx microcontrollers
64 pins(1)
100 pins
144 pins
176 pins
USB
OTG FS
OTG
FS
FS
USB
OTG HS
HS
ULPI
OTG
FS
FS
Ethernet MII
(2)
RMII
SPI/I2S2
SPI/I2S3
Config Config Config Config Config Config Config Config Config Config Config Config Config
1
2
3
1
2
3
4
1
2
3
4
1
2
-
-
-
X
X
X
-
X
-
X
-
X
-
-
-
-
X
X
X
X
X
X
X
X
X
-
X
-
X
X
-
-
-
X
X
-
-
X
X
X
X
X
X
-
-
-
X
X
-
-
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
-
-
-
-
-
X
X
-
-
X
X
X
X
-
-
-
-
X
X
X
X
X
X
X
X
X
-
X
-
-
X
X
X
X
X
X
X
X
X
SDIO SDIO
X
X
-
X
X
X
X
X
8-bit
Data
-
10-bit
Data
-
-
-
-
-
SDIO
or
DCMI
SDIO
or
DCMI
SDIO
or
DCMI
X
X
SDIO
or
DCMI
X
X
SDIO
or
DCMI
X
X
X
X
X
X
DCMI(2)
12-bit
Data
-
-
-
X
X
X
X
X
14-bit
Data
-
-
-
-
-
-
-
-
X
-
X
X
X
NOR/
RAM
-
-
-
X
X
X
X
X
X
X
X
X
X
Muxed
FSMC NOR/
RAM
-
-
-
X
X
X
X
X
X
NAND
-
-
-
X
X
X
X
X
X
X
X
X
X
CF
-
-
-
-
-
-
-
X
X
X
X
X
X
CAN
-
X
X
-
X
X
X
-
-
X
X
-
X
1. Not available on STM32F2x7xx.
2. Not available on STM32F2x5xx.
Doc ID 17050 Rev 8
153/173