參數(shù)資料
型號(hào): NT91214D
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): 9/23頁(yè)
文件大?。?/td> 223K
代理商: NT91214D
NT91214/15 Series
9
V1.0
Pin Descriptions (continued)
Pin No.
NT91215A
NT91214A
NT91215B
NT91214B
NT91215C
NT91214C
NT91215D
NT91214D
Designation
I/O
Description
8
8
9
9
XMITMUTE
O
Dialing transmission mute output
This is an N-channel open drain output
The
XMITMUTE
is normally "OFF"
During pulse of DTMF dialing this
output is "ON".
(N.A.)
9
(N.A.)
10
MODE OUT
O
Mode output pin
This is an N-channel, open drain output
It is "ON" during tone output and "OFF"
during pulse output.
13
15
14
16
R1
Keyboard pins
14
16
15
17
R2
This input serves as the interface to an
XY matrix keyboard. On a 4 x 4 matrix
keyboard, the input from the fourth
column,
C4
, should be connected to
VSS.
15
17
16
18
R3
16
18
17
19
R4
10
12
11
13
C1
11
13
12
14
C2
12
14
13
15
C3
6
6
7
7
VDD
Power supply pins
These devices are designed to operate
from 2.0V to 5.5V.
5
5
6
6
VSS
相關(guān)PDF資料
PDF描述
NT91215 Tone/Pulse Dialer
NT91215A Tone/Pulse Dialer
NT91215B Tone/Pulse Dialer
NT91215C Tone/Pulse Dialer
NT91215D Tone/Pulse Dialer
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
NT91215 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Dialer
NT91215A 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Dialer
NT91215B 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Dialer
NT91215C 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Dialer
NT91215D 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Dialer