HT1612 Holtek Semiconductor, HT1612 Datasheet - Page 8

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

TIMER key function
In the conversation timer mode, the TIMER key can reset or hold the timer.
Data & Timing
Data latch timing
For instrument or C application
The HT1612 is also capable of displaying the BCD data which are generated from instruments or
transmitted to the HT1612, the HK pin should be pull-low or keeps low always. Then, the HT1612
is ready to receive the data. At the falling edge of the clock the data are shifted to the IC. After the
whole data are sent to the HT1612, the SK pin is set low to avoid switching to the timer mode.
C system. The corresponding data and timing are shown in Data latch timing. Before the data are
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5th July ’95
HT1612