LC7930N Datasheet, PDF (7/7 Pages) Sanyo Semicon Device – LCD Drivers

LC7930N, 7930NW
LCD Interface Examples
(Although the LCD divided voltage generator circuit is not shown here.)
(1) 40-segment bar-graph display (static)
4-bit
micro-
controller
4 lines
40 lines
(2) 6-digit, 7-segment + sign display. (1/3 duty cycle, 1/3 voltage bias)
3 lines
Drive controller
4-bit
micro-
processor
5 lines
3 lines
20 lines
(3 lines/1 digit)
(3) 20 × 60 pixel graphic display. (1/20 duty cycle, 1/5 voltage bias)
20 lines
Drive controller
8-bit
microprocessor
or
dedicated
controller
3 lines
20 × 60 dots
20 lines
40 lines
3 lines
3 lines
No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace equipment,
nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of which may directly or
indirectly cause injury, death or property loss.
Anyone purchasing any products described or contained herein for an above-mentioned use shall:
1 Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors
and all their officers and employees, jointly and severally, against any and all claims and litigation and all damages, cost and
expenses associated with such use:
2 Not impose any responsibility for any fault or negligence which may be cited in any such claim or litigation on SANYO
ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees jointly or severally.
Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume
production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use
or any infringements of intellectual property rights or other rights of third parties.
This catalog provides information as of January, 1997. Specifications and information herein are subject to change without notice.
No.2778-7/7