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ML9208-XXMB Datasheet(PDF) 1 Page - OKI electronic componets |
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1 / 33 page OKI Semiconductor FEDL9208-01 Issue Date: Feb. 23, 2004 ML9208-xx 5 × 7 Dot Character × 16-Digit Display Controller/Driver with Character RAM 1/33 GENERAL DESCRIPTION The ML9208-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 (V DD) : 3.3 V ±10% or 5.0 V ±10% • Fluorescent display tube drive power supply (V FL) : 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) : –6 mA (VFL = VDD –42 V) - Segment driver (AD1 and AD2) : –15 mA (VFL = VDD –42 V) - Grid driver (COM1 to COM16) : –30 mA (VFL = VDD –42 V) • General output port output current - Output driver (P1 and P2) : ±1 mA (V DD = 3.3 V ±10%) ±2 mA (V DD = 5.0 V ±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 : 9 to 16 digits - Display duty (contrast adjustment) : 8 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) (ML9208-xxGA) 64-pin plastic SSOP (SSOP64-P-525-0.80-K) (ML9208-xxMB) |
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