LD1960A Datasheet, PDF (15/23 Pages) LDT Co., Ltd – 9 SEGMENT X 7 GRID LED Driver with Key scan

LD1960A
9 SEGMENT X 7 GRID LED Driver with key scan
KEY SCAN
1) Key Scan Timing
The key scan period is 500us at oscillator=500Khz.
2) Key scan operation
The key scan is operated always.
Multiple key presses are recognized by determining whether multiple key data bits are set.
3) Key scan data read sequence
LDT Inc. WE bldg. 5F, 126-33 Han-dle 1ro, Seobuk-gu, Cheonan, Chungnam, korea, 331-220
Tel. [phone] Fax. [phone] www.ldt.co.kr
15
Ver.4.0