LC587008 View Datasheet(PDF) - SANYO -> Panasonic

Part Name

Description

Manufacturer

LC587008

Single-Chip 4-Bit Microprocessors with LCD Driver, 2 Kb RAM, and 8, 12, or 16 KB ROM on chip

SANYO -> Panasonic 

LC587008, 587006, 587004

Continued from preceding page.

Pin

COM1

COM2

COM3

COM4

I/O

Output

QIP-80

Pin No.

2

1

80

79

Function

LCD panel drive common polarity outputs

The table below shows how these pins are used depending on the duty

used. (Values for alternating frequency reflect a typical specification of

32.768 MHz for ø0.)

COM1

COM2

COM3

COM4

Alternation

frequency

Static duty

!

!

!

32 Hz

1/2 duty

!

!

32 Hz

1/3 duty 1/4 duty

!

42.7 Hz

32 Hz

Note: A cross ( ! ) indicates that the pin is not used with that duty type.

Sample Application Circuit

LCD: 1/2 bias – 1/4 duty

Option

At reset

The static drive

waveform is output

during the reset

period.

* There are cases

where the

alternating

frequency stops for

the CF, RC and

external clock

specifications.

(These cases differ

depending on option

specifications.)

No. 4435-7/29

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