USER MANUAL V0.8
© 2009 EnOcean | www.enocean.com
PTM 33x / 33xC User Manual V0.8 | Page 7/20
PTM 33X / 33XC
2.2
Pin out
2.3
Pin Description and operational characteristics
Symbol
Function
Characteristics
GND
Ground connection
Must be connected to GND
V+
For test purposes only
Do not connect
B0
O-Button Rocker B
Digital input, leave open or connect to GND
Internal pull-up
B1
I-Button Rocker B
Digital input, leave open or connect to GND
Internal pull-up
A0
O-Button Rocker A
Digital input, leave open or connect to GND
Internal pull-up
A1
I-Button Rocker A
Digital input, leave open or connect to GND
Internal pull-up
CFG
Activate VOFF comparator
when connected to GND
Must be connected to GND when used with
equivalent energy pulse instead of ECO 200
Internal pull-up
AC1
Input for ECO 200
ECO 200 or equivalent energy pulse
AC2
Input for ECO 200
ECO 200 or equivalent energy pulse
RF_WHIP RF output
Output for whip antenna
RF_50
RF output
50 Ohm output for external antenna
T1-9
Configuration Interface
See 2.4
1
2
3
4
5
6
7
8
11
10
9
12
13
14
15
16
GND
CFG
B0
GND
B1
A0
GND
A1
AC1
AC2
GND
V+
GND
RF_50
GND
RF_WHIP
AC1
AC1
AC2
AC2
On back side of PCB
T4
T3
T8
T6
T5
T9
T7
T1
T2
