參數(shù)資料
型號(hào)： HT9302C
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(hào)器
文件頁(yè)數(shù)： 9/27頁(yè)
文件大?。?/td> 284K
代理商： HT9302C
HT9302 Series
Rev. 1.20
9
September 30, 2002
LOCK function
The function aims to detect locked dialing number to
prevent a long distance call. The dialing output of the
chip is disabled if the first input key after on-off-hook is
the locked number when the lock function is enabled.
The lock function selection is listed below.
HT9302x version
LOCK Pin
Function
OPEN
Normal dialing (no lock)
VDD
0, 9 is inhibited
VSS
0 is inhibited
Key definition
0,1,2,3,4,5,6,7,8,9 keys
These are dialing number input keys for both the pulse
mode and the tone mode operations.
/T
This key executes the P
T function and waits a t
P
T
duration in the pulse mode. On the other hand, the /T
key executes the
function in the tone mode.
#
This is a dialing signal key for the tone mode only, no
response in the pulse mode.
SA
Pressing this key can save the preceding dialing tele-
phone numbers. The saved number is redialed if it is
pressed again. SA will also redial the saved number if
it is the first key pressed at the off-hook state. During
thedialingsignaltransmission,theSAkeyisinhibited.
F
The flash key can be selected as a digit or a control key
by the option resistors R
K13
& R
K14
. Pressing the flash
key will force the PO pin to be low for the t
F
duration
and is then followed by t
FP
(sec). t
F
can also be selected
by R
K13
, R
K14
.
P
Pause key. The execution of the pause key pauses
the output for the t
P
duration. t
P
can be selected by
R
K21
.
R
Redial key. Executes redialing as well as one-key re-
dial function.
ST
This key can store lock number with personal code in
IDD lock operation.
R/P
Redial and pause function key. If it is pressed as the
first key after off-hook, this key executes the redial
function. Otherwise, it works as the pause key.
相關(guān)PDF資料
PDF描述
HT9302D 1-Memory/2-Memory Tone/Pulse Dialer
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
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HT9302CLT 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Telephone Dialer
HT9302CT 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Telephone Dialer
HT9302D 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:1-Memory/2-Memory Tone/Pulse Dialer
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
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