Table 12. Output Mode Bits - ST STM32F101 Series Reference Manual

RM0008
Table 11.
General purpose
output
Alternate Function
output
Input
Table 12.
General-purpose and alternate-function I/Os (GPIOs and AFIOs)
Port bit configuration table
Configuration mode
Push-pull
Open-drain
Push-pull
Open-drain
Analog input
Input floating
Input pull-down
Input pull-up
Output MODE bits
MODE[1:0]
00
01
10
11
CNF1 CNF0 MODE1
0
0
1
0
1
see
1
0
0
1
1 0
Meaning
Reserved
Max. output speed 10 MHz
Max. output speed 2 MHz
Max. output speed 50 MHz
PxODR
MODE0
Register
0 or 1
01
0 or 1
10
11
don't care
Table 12
don't care
don't care
don't care
00
0
1
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