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DocID022152 Rev 4 17/185
STM32F405xx, STM32F407xx Description
Figure 4. Compatible board design between STM32F2xx and STM32F4xx
for LQFP176 and BGA176 packages
MS19919V3
144
45
88
89132
176
133
Two 0 Ω resistors connected to:
- V
SS
, V
DD
or NC for the STM32F2xx
- V
DD
or signal from external power supply supervisor for the STM32F4xx
171 (PDR_ON)
V
SS
V
DD
Signal from external
power supply
supervisor