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User Manual May 2019 | Page 22/49
USER MANUAL
Scavenger Transmitter Module
STM 330 / STM 331 STM 331U / STM 332U / STM 333U
(Stepcode DE and later)
3.5.4
Programming Interface
The positions of the pads needed for programming are shown in the layout below. Data are
available from EnOcean as Gerber files (STM3XY(C)_05.GTL and STM3XY(C)_05.GK0).
Number Symbol
1
VDD
2
GND
3
PROG_EN
4
RESET
5
SCSEDIO0
6
SCLKDIO1
7
WSDADIO2
8
RSDADIO3
9
ADIO7
10
ADIO6
Only if in addition
to programming
I/F a serial inter-
face is needed
Top layer
If VDD is not accessible, e.g. because the module shall be programmed via the pin con-
nector, please use VCHAR instead of VDD (see 0).