Siemens TC65 Terminal User Manual

TC65 Terminal Hardware Interface Description
Confidential / Released
s
TC65 Terminal_HD_V02.000b Page 57 of 65 19.02.2007
5.7 Characteristics of the GPIOs
Table 33: Characteristics of the GPIOs
Function Signal name IO Signal form and level Comment
General
Purpose
Input/Output
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
GPIO8
GPIO9
GPIO10
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
R
O
≈ 100Ω
V
OL
max = 0.4V at I = 2mA
V
OH
min = 2.50V at I = -0.5mA
V
OH
max = 3.05V
V
IL
max = 0.8V
V
IH
min = 2.0V
V
IH
max = 3.05V
If unused keep pins with a
pull up or pull down
resistor while the GPIO is
set to input.
Alternatively GPIO10 can
be used as pulse counter.
5.8 Characteristics of the Pulse Counter
Table 34: Characteristics of the pulse counter
Function Signal name IO Signal form and level Comment
Pulse
Counter
GPIO10 I
V
IL
max = 0.8V
V
IH
min = 2.0V
V
IH
max = 3.05V
pulse
~
|________|
~~~~~~~~~~~~~
|________|
~~~
| ≥ 450µs | ≥ 450µs |
slew rate ≤ 1µs
Counter range = 0 … 1000
pulses per second

Siemens TC65 Terminal Specifications

General

Brand	Siemens
Model	TC65 Terminal
Category	Telephone Accessories
Language	English