Datasheet

Pinout and pin description5
Table 4: Legend/abbreviations for pinout tables
I= Input, O = Output, S = Power supplyType
CM = CMOS
InputLevel
HS = High sinkOutput
O1 = Slow (up to 2 MHz)
Output speed
O2 = Fast (up to 10 MHz)
O3 = Fast/slow programmability with slow as default state after reset
O4 = Fast/slow programmability with fast as default state after reset
float = floating, wpu = weak pull-upInputPort and control
configuration
T = True open drain, OD = Open drain, PP =
Push pull
Output
Bold X (pin state after internal reset release).
Reset state
Unless otherwise specified, the pin state is the same during the reset
phase and after the internal reset release.
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Pinout and pin descriptionSTM8S903K3 STM8S903F3