Datasheet Summary
PT6398 Automotive Digital Clock
DESCRIPTION
PT6398 is an automotive digital clock CMOS LSI. It drives fluorescent indicator panel directly. It can be driven by a 4.194304MHz crystal oscillator or an external clock signal (1024Hz). It has 4-ways display brightness control function and its display format is 12 hours.
Features
- 4.194304MHz crystal oscillator
- 4-ways display brightness control (Segment duty for Static: 1, 1/4, 1/8, 1/16; Grid duty for dynamic: 6.25%, 12.5%, 25%, 50%)
- Hour and Minutes setting
- ±30 Minutes auto correction
- 1024Hz signal output
- Segment output: CMOS output
- Internal POR (Power on Reset Circuit)
- 44 pin LQFP
- Static and dynamic driving selected
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