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參數資料
| 型號： | HT1616C |
| 廠商： | Holtek Semiconductor Inc. |
| 元件分類： | 顯示驅動器 |
| 英文描述： | Timer with Dialer Interface |
| 中文描述： | 定時器與撥號器接口 |
| 文件頁數： | 1/13頁 |
| 文件大?。?/td> | 211K |
| 代理商： | HT1616C |
HT1616C
Timer with Dialer Interface
Block Diagram
Rev. 1.10
1
September 13, 2001
Features
Operating voltage: 1.2V~1.7V
Low operating current: 4 A typ.
Dialing number and conversation time display
Conversation timer (59 mins and 59 secs max.)
12 or 16 digits LCD display driver; 3V, 1/2 bias, 1/3
duty
Real time clock
Stop watch
Built-in dialer interface
12-hour or 24-hour format
Two-button sequential operation for real
time clock setting
Uses 32768Hz crystal
Applications
Timers, clocks and watches
LCD display drivers
Telephone display interface
Instrument display
General Description
The HT1616C is a CMOS chip designed for dialer inter-
faces driving 12 or 16-digit LCDs. Various functions,
such as real time clock, dialing number and conversa-
tion time display are provided.
For HT1616C the real time is displayed by default.
When answering a telephone call, the timer is activated
to tell users how long the conversation has taken. After
the telephone is hung up, the total conversation time is
shown for about 5 seconds and the real time is dis-
played again. When making a phone call, the HT1616C
receives dialing data from the dialer and displays the
phone number from left to right on the LCD. However, if
there is no dialing action within 10 seconds, it restarts
the timer again. By adding a TIMER key, the IC can pro-
vide stopwatch and timer reset/hold functions. Refer to
the functional description for details.
Patent Number: 84545 (R.O.C.)
Patent Pending: 08/214, 079 (U.S.A.)
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