HD66720 datasheet(2/97 Pages) HITACHI

Part #	HD66720

Description	Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function

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Manufacturer	HITACHI [Hitachi Semiconductor]

Direct Link	http://www.renesas.com/eng

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HD66727

2

• 11,520-bit character generator ROM

 240 characters (6 × 8 dots)

• 32 × 6-bit character generator RAM

 4 characters (6 × 8 dots)

• 8 × 6-bit segment RAM

 40 segment-icons and marks max

• 60-segment × 34-common liquid crystal display driver

• Programmable display sizes and duty ratios (see Table 1)

• Vertical smooth scroll

• Vertical double-height display of all character fonts

• Horizontal double display with dedicated character fonts (6-dot font width used)

• Wide range of instruction functions:

 Clear display, display on/off control, icon and mark control, character blink, white-black inverting

blinking cursor, icon and mark blink, return home, cursor on/off, white-black inverting raster-row

• Internal oscillation with an external resistor

• Hardware reset

• Wide range of LCD drive voltages

 3.0V to 13.0V

• Slim chip with bumps for chip-on-glass (COG) mounting, slim chip without bumps for chip-on-board

(COB) mounting, and tape carrier package (TCP) (under development)

Table 1

Programmable Display Sizes and Duty Ratios

Display

Size

Duty

Ratio

Oscillation

Frequency

Current

Consumption

Multi-

plexed-

Drive

Segments

Static-

Drive

Annu-

nciators

Scanned

Keys

LED

Drive

General

Port

1 line

× 12

characters

1/10

40 kHz

8

µA

40

12

32 (4

× 8) 3

3

2 lines

× 12

characters

1/18

80 kHz

15

µA

40

12

32 (4

× 8) 3

3

3 lines

× 12

characters

1/26

120 kHz

23

µA

40

12

32 (4

× 8) 3

3

4 lines

× 12

characters

1/34

160 kHz

30

µA

40

12

32 (4

× 8) 3

3

Note:

Current consumption excludes that for LCD power supply source; V

CC = 3V.

Similar Part No. - HD66720

Manufacturer	Part #	Datasheet	Description
Hitachi Semiconductor	HD66724	834Kb / 117P	(Graphics LCD Controller/Driver with Key Scan Function)
	HD66724	2Mb / 96P	128 x 128-dot Graphics LCD Controller/Driver with Four-grayscale Functions
	HD66725	834Kb / 117P	(Graphics LCD Controller/Driver with Key Scan Function)
	HD66725	2Mb / 96P	128 x 128-dot Graphics LCD Controller/Driver with Four-grayscale Functions
	HD66725	813Kb / 95P	112 x 80-dot Graphics LCD Controller/Driver

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Similar Description - HD66720

Manufacturer	Part #	Datasheet	Description
Hitachi Semiconductor	HD66717	716Kb / 90P	(Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver)
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Hitachi Semiconductor	HD66710	507Kb / 73P	(Dot Matrix Liquid Crystal Display Controller/Driver)
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Hitachi Semiconductor	HD44780U	316Kb / 59P	Dot Matrix Liquid Crystal Display Controller/Driver
Integral Corp.	IN44780	345Kb / 10P	DOT MATRIX LIQUID CRYSTAL DISPLAY CONTROLLER & DRIVER
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HD66720 Datasheet(PDF) 2 Page - Hitachi Semiconductor

HD66720 Datasheet(HTML) 2 Page - Hitachi Semiconductor

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