Datasheet

Pinout and pin description STM8S105x4/6
26/121 DocID14771 Rev 15
Figure 6. SDIP32 pinout
1. (HS) high sink capability.
2. (T) True open drain (P-buffer and protection diode to V
DD
not implemented).
3. [ ] alternate function remapping option (if the same alternate function is shown twice, it indicates an
exclusive choice not a duplication of the function).
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Table 5. STM8S105x4/6 pin description
Pin number
Pin name Type
Input Output
Main
function
(after
reset)
Default
alternate
function
Alternate
function
after
remap
[option
bit]
LQFP48 LQFP44
LQFP32/UFQFPN32
SDIP32
Floating
wpu
Ext. interrupt
High sink
Speed
OD
PP
1116 NRST I/O-X -- -- Reset -
2227
PA1/ OSC IN I/O X X- -O1XXPort A1
Resonato
r/ crystal
in
3338
PA2/ OSC
OUT
I/O X X- -O1XXPort A1
Resonato
r/ crystal
in
44- - VSSIO_1 S ------- I/O ground -
5549 VSS S ------- Digital ground -
66510 VCAP S -------
1.8 V regulator
capacitor
-
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