ML9207-XX datasheet, PDF - EEWORLD Datasheet

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ML9207-XX: Description5 X 7 Dot Character 】 24-Digit Display Controller/Driver with Character RAM; File Size498KB，35 Pages; ManufacturerOKI; Websitehttp://www.oki.com

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ML9207-XX Overview

5 X 7 Dot Character 】 24-Digit Display Controller/Driver with Character RAM

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OKI Semiconductor

ML9207-xx

7 Dot Character

24-Digit Display Controller/Driver with Character RAM

FEDL9207-02

Issue Date: May 17, 2005

GENERAL DESCRIPTION

The ML9207-xx is a dot matrix vacuum fluorescent display tube controller driver IC which displays characters,

numerics and symbols.

Dot matrix vacuum fluorescent display tube drive signals are generated by serial data sent from a micro-controller.

A display system is easily realized by internal ROM and RAM for character display.

The ML9207-xx has low power consumption since it is made by CMOS process technology.

-01 is available as a general-purpose code.

Custom codes are provided on customer's request.

FEATURES

•

: 3.3 V

±10%

or 5.0 V

±10%

Logic power supply (V

)

Fluorescent display tube drive power supply (V

DISP

) : 3.3 V

±10%

or 5.0 V

±10%

Fluorescent display tube drive power supply (V

) : –20 to –60 V

VFD driver output current

(VFD driver output can be connected directly to the fluorescent display tube. No pull-down resistor is

required.)

• Segment driver (SEG1 to SEG35)

: –5.0 mA

= –60 V)

• Segment driver (AD1 to AD4)

: –10.0 mA

= –60 V)

• Grid driver (COM1 to COM24)

: –50.0 mA

= –60 V)

General output port output current

Output driver (P1 to P4)

±1.0

mA (V

= 3.3 V±10%)

±2.0

mA (V

= 5.0 V±10%)

Content of display

• CGROM

7 dots

: 240 types (character data)

• CGRAM

7 dots

: 16 types (character data)

• ADRAM

24 (display digit)

4 bits (symbol data)

• DCRAM

24 (display digit)

8 bits (register for character data display)

• General output port

4 bits (static operation)

Display control function

• Display digit

: 9 to 24 digits

• Display duty (brightness adjustment) : 0/1024 to 960/1024

• All lights ON/OFF

4 interfaces with microcontroller

: DA,

CS, CP, RESET

1-byte instruction execution (excluding data write to RAM and Display duty set)

Built-in oscillation circuit

• Crystal oscillation or ceramic oscillation

Package options:

80-pin QFP package (QFP80-P-1414-0.65-K) (Product name : ML9207-xxGP)

80-pin QFP package (QFP80-P-1420-0.80-BK) (Product name : ML9207-xxGA)

xx indicates the code number.

•

1/35

ML9207-XX Related Products

	ML9207-XX	ML9207	ML9207-XXGA	ML9207-XXGP
Description	5 X 7 Dot Character 】 24-Digit Display Controller/Driver with Character RAM	5 X 7 Dot Character 】 24-Digit Display Controller/Driver with Character RAM	5 X 7 Dot Character 】 24-Digit Display Controller/Driver with Character RAM	5 X 7 Dot Character 】 24-Digit Display Controller/Driver with Character RAM

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