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ML9208A-XX

5 x 7 Dot Character x 16-Digit Display Controller/Driver with Character RAM

LAPIS Semiconductor Co., Ltd. 

ML9208A-xx

FEDL9208A-02

Issue Date: Nov. 16, 2009

5  7 Dot Character  16-Digit Display Controller/Driver with Character RAM

GENERAL DESCRIPTION

The ML9208A-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.

FEATURES

 Logic power supply and vacuum fluorescent display tube drive power supply (VDD)

: 3.3 V  0.3V or 5.0 V  0.5V

 Fluorescent display tube drive power supply (VFL) : VDD –20 V to VDD –42 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)

- Segment driver (AD1 and AD2)

- Grid driver (COM1 to COM16)

: –6 mA (VFL = VDD –42 V)

: –15 mA (VFL = VDD –42 V)

: –30 mA (VFL = VDD –42 V)

 General output port output current

- Output driver (P1 and P2)

 Content of display

: 1 mA (VDD = 3.3 V  0.3V)

2 mA (VDD = 5.0 V  0.5V)

- CGROM 5  7 dots

: 248 types (character data)

- CGRAM 5  7 dots

: 8 types (character data)

- ADRAM 16 (display digit)  2 bits (symbol data)

- DCRAM 16 (display digit)  8 bits (register for character data display)

- General output port

2 bits (static operation)

 Display control function

- Display digit

: 9 to 16 digits

- Display duty (contrast adjustment)

: 16 stages

- All lights ON/OFFs

 3 interfaces with microcontroller

: DA, CS, CP (4 interfaces when RESET is added)

 1-byte instruction execution (excluding data write to RAM)

 Built-in oscillation circuit (external R and C)

 Package options:

64-pin plastic QFP (QFP64-P-1414-0.80-BK) (ML9208A-xxGA)

64-pin plastic SSOP (SSOP64-P-525-0.80-K) (ML9208A-xxMB)

64-pin plastic TQFP (TQFP64-P-1010-0.50-K) (ML9208A-xxTB)

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