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參數(shù)資料
| 型號： | HT9302D |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | 1-Memory/2-Memory Tone/Pulse Dialer |
| 中文描述： | 1-Memory/2-Memory音頻/脈沖撥號器 |
| 文件頁數(shù)： | 7/27頁 |
| 文件大?。?/td> | 284K |
| 代理商： | HT9302D |
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HT9302 Series
Rev. 1.20
7
September 30, 2002
Functional Description
Keyboard matrix
C1~C4 and R1~R4 form a keyboard matrix. Together
with a standard 4 4 keyboard, the keyboard matrix is
used for dialing entries. In addition, the keyboard ma-
trix provides resistor option for different dialing specifi-
cation selections. The keyboard arrangement for each of
the HT9302 series are shown in the
Keyboard Informa-
tion
.
Tone frequency
Tone
Name
Output Frequency (Hz)
% Error
Specified
Actual
R1
697
699
+0.29%
R2
770
766
0.52%
R3
852
847
0.59%
R4
941
948
+0.74%
C1
1209
1215
+0.50%
C2
1336
1332
0.30%
C3
1477
1472
0.34%
Note: % Error does not contain the crystal frequency
drift
Dialing specification selection
By means of adding resistors on the keyboard matrix
pins, various dialing specifications can be selected. The
allowable option resistor connections are shown.
All the resistors are 330k . The resistor option functions
and the default specifications (without option resistors)
are listed below.
Option
Resistor
Option
Function
Default
(No Resistor)
R
K12
Make/Break Ratio
Selection
40:60
R
K13
Flash Function and
Flash Time Selection
Flash=controlfunction
Flash time=600ms
R
K14
R
K21
Pause & P
Duration Selection
T
t
P
=3.6s
t
P
T
=3.6s
R
K31
Pulse Number
Selection
N
R
K41
M/B ratio selection table
R
K12
M/B Ratio (%)
No
40:60
Yes
33.3:66.6
Flash function/time (duration) selection table
R
K13
R
K14
Flash
Function
Flash
Time (t
F
)
No
No
Control
600ms
No
Yes
Digit
600ms
Yes
No
Digit
98ms
Yes
Yes
Digit
300ms
Pause and P
T duration selection table
R
K21
t
P
(sec)
t
P
T
(sec)
No
3.6
3.6
Yes
2
1
Pulse number selection table
This table shows pulse number selections for
HT9302x.
R
K31
R
K41
Pulse Number
No
No
N
No
Yes
N+1
Yes
No
10 N
Yes
Yes
HT9302G has different selection method listed in the
table below.
R
K31
Pulse Number
No
N
Yes
10-N
+
-
,
+
-
,
,
-
+
,
-
+
相關PDF資料 |
PDF描述 |
|---|---|
| HT9302G | 1-Memory/2-Memory Tone/Pulse Dialer |
| HT9312 | 12-Memory Tone/Pulse Dialer |
| HT9312A | 12-Memory Tone/Pulse Dialer |
| HT9313C | 12-Memory Tone/Pulse Dialer |
| HT9313D | 12-Memory Tone/Pulse Dialer |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| HT9302DLT | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Telephone Dialer |
| HT9302DT | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Telephone Dialer |
| HT9302F | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Telephone Dialer |
| HT9302FA | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Telephone Dialer |
| HT9302FAT | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Telephone Dialer |
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