參數(shù)資料
型號(hào): NT91315CL
廠商: Electronic Theatre Controls, Inc.
英文描述: Microcontroller for Monitor
中文描述: 微控制器監(jiān)視器
文件頁(yè)數(shù): 7/22頁(yè)
文件大?。?/td> 994K
代理商: NT91315CL
NT91315XL Series
7
Pin Descriptions
Pin No.
Designation
I/O
Description
NT91315AL
NT91315BL
NT91315CL
NT91315DL
1
2
2
2
HK
I
Hook switch input
This inverter input pin detects the state
of the hook switch contact. "Off Hook"
is represented by a V
SS
condition. "On
Hook" is represented by a V
DD
condition
2
3
3
3
MODE IN
I, Z
TRI-STATE mode select pin
The two types the NT91315XL are
listed as follows (diode options)
a. Without diode added
MODE
IN
Tone/
Pulse
Dial
Rate
M/B
Ratio
V
DD
Pulse
10pps
2/3
V
SS
Tone
-
-
Floating
Pulse
10pps
1/2
b. With diode added
MODE
IN
Tone/
Pulse
Dial
Rate
M/B
Ratio
V
DD
Pulse
10pps
1/2
V
SS
Tone
-
-
Floating
Pulse
20pps
1/2
The mode selection pin checks for
tone/pulse dialing as each digit is
entered. In the PULSE mode, the
dialing rate is checked, along with the
make/break ratio, at the entry of the
first key
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