參數(shù)資料
型號(hào): NT91214
廠商: Electronic Theatre Controls, Inc.
英文描述: Tone/Pulse Dialer
中文描述: 音頻/脈沖撥號(hào)器
文件頁(yè)數(shù): 8/23頁(yè)
文件大?。?/td> 223K
代理商: NT91214
NT91214/15 Series
8
V1.0
Pin Descriptions (continued)
Pin No.
NT91215A
NT91214A
NT91215B
NT91214B
NT91215C
NT91214C
NT91215D
NT91214D
Designation
I/O
Description
1
1
HFO
O
Hands-Free Control I/O pins
These pins enable and disable the Hands-
Free control function. When input pin
HFI
goes low, the Hands-Free Control state is
toggled on. The status of the Hands-Free
control state is listed in the following table:
(N.A.)
(N.A.)
Current
State
Next State
Hook
sw.
HFO
Input
HFO
Dialing
-
Low
HFI
High
Yes
18
20
HFI
I
On
Hook
High
HFI
Low
No
Off
Hook
High
HFI
Off
Hook
Low
Yes
On
Hook
-
Low
Yes
Off
Hook
Low
On
Hook
Low
No
Off
Hook
High
On
Hook
High
Yes
7
7
8
8
TONE
O
Tone dialing output
When a valid keypress is detected in the
DTMF mode, appropriate low group and
high group, frequencies are generated
which hybridizes the dual tone output.
TONE output is in the "OFF" state in
PULSE mode.
相關(guān)PDF資料
PDF描述
NT91214A Tone/Pulse Dialer
NT91214B Tone/Pulse Dialer
NT91214C Tone/Pulse Dialer
NT91214D Tone/Pulse Dialer
NT91215 Tone/Pulse Dialer
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
NT91214A 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Dialer
NT91214B 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Dialer
NT91214C 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Dialer
NT91214D 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Dialer
NT91215 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Dialer