Description
STM32F405xx, STM32F407xx
Figure 2. Compatible board design STM32F10xx/STM32F2xx/STM32F4xx
for LQFP100 package
V
SS
75
73
51
49
50
76
V
SS
V
SS
0 ΩΩ resistor or soldering bridge
present for the STM32F10xxx
configuration, not present in the
STM32F4xx configuration
99 (V
1
)
SS
100
19 20
26
25
V
SS
V
V
DD
SS
V
for STM32F10xx
for STM32F4xx
SS
Two 0 Ω resistors connected to:
V
V
V
DD
DD
- V
- V
for the STM32F10xx
for the STM32F4xx
SS
SS
SS
ai18488c
- V , V
or NC for the STM32F2xx
SS DD
Figure 3. Compatible board design between STM32F10xx/STM32F2xx/STM32F4xx
for LQFP144 package
VSS
108
73
71
72
109
106
VSS
VSS
0 Ω resistor or soldering bridge
present for the STM32F10xx
configuration, not present in the
STM32F4xx configuration
Signal from
external power
supply
143 (PDR_ON)
1
30
31
144
37
supervisor
36
VSS
VDD VSS
VSS for STM32F10xx
VDD for STM32F4xx
Two 0 Ω resistors connected to:
- VSS for the STM32F10xx
VDD
VSS
- VSS, VDD or NC for the STM32F2xx
- VDD or signal from external power supply supervisor for the STM32F4xx
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DocID022152 Rev 4
STMICROELECTRONICS [ ST ]
