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GENERAL DESCRIPTION

The ML9206-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 ML9206-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 customers request.

FEATURES

? Logic power supply and vacuum fluorescent display tube drive power supply (VDD) : 3.3 V±10 or 5.0 V±10

? Fluorescent display tube drive power supply (VFL) : –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) : –6 mA (VFL=–60V)

- Segment driver (AD1 and AD2) : –15 mA (VFL=–60V)

- Grid driver (COM1 to COM16) : –30 mA (VFL=–60V)

? General output port output current

- Output driver (P1 and P2) : ±1 mA (VDD=3.3V±10) ±2 mA (VDD=5.0V±10)

? Content of display

- 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 : 1 to 16 digits

- Display duty (brightness adjustment) : 256 stages

- All lights ON/OFF

? 3 interfaces with microcontroller : DA, CS, CP (4 interfaces when RESET is added)

? 1-byte instruction execution (excluding data write and display duty set mode to RAM)

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

? Package options:

64-pin plastic QFP (QFP64-P-1414-0.80-BK) (Product name : ML9206-xxGS-BK)

64-pin plastic SSOP (SSOP64-P-525-0.80-K) (Product name : ML9206-xxGS-K)

xx indicates the code number.