HT1612 Holtek Semiconductor, HT1612 Datasheet - Page 7

• Manufacturer Part Number: HT1612
• Description: Timer
• Manufacturer: Holtek Semiconductor

About On-Hook & Off-Hook
Note: 1. Figure a displays blanks.
2. Figure b illustrates a timer mode caused by Off-Hook; timer is reset and starts to
3. In Figure c. The dialing data are received and displayed on the LCD from left to right
after Off-Hook. When the entry interval is over 10 seconds, it resets the timer and starts
to count.
count the conversation time.
7
5th July ’95
HT1612