User's Manual

USER MANUAL
© 2013 EnOcean | www.enocean.com TCM 300x / TCM 320x User Manual | Page 17/53
TCM 300 / TCM 300C / TCM 300U
TCM 320 / TCM 320C / TCM 320U
3.6 Mode selection
The operating mode is defined at start-up of the module via a measurement of the voltage
at ADIO0.
Mode
ADIO0 (MODE_SEL)
input voltage range
Proposed com-
ponent values
0
0% to 3.99% VDD
R1: 0 Ohm
R2: leave open
R3: leave open
C1: leave open
1
4% to 11.99% VDD
R1: 1k2 ±1%
R2: 15k ±1%
R3: 150k ±1%
C1: 100p
2
12% to 19.99% VDD
R1: 2k2 ±1%
R2: 12k ±1%
R3: 270k ±1%
C1: 100p
3
20% to 27.99% VDD
R1: 3k9 ±1%
R2: 15k ±1%
R3: 68k ±1%
C1: 100p
4
28% to 35.99% VDD
R1: 4k7 ±1%
R2: 12k ±1%
R3: 56k ±1%
C1: 100p
5
36% to 39.99% VDD
R1: 5k6 ±1%
R2: 10k ±1%
R3: 56k ±1%
C1: 100p
As long as IDs are stored in ID memory, the operating mode can only be changed
after deleting all IDs from memory, e.g. via CLR!
R2
R1
VDD
GND
ADIO0
R3
C1