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
• Logic power supply (VDD)  : 3.3 V ±10% or 5.0 V ±10%
• Fluorescent display tube drive power supply (VDISP)  : 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)  : –5.0 mA  (VFL= –60 V)
 • Segment driver (AD1 to AD4)  : –10.0 mA  (VFL= –60 V)
 • Grid driver (COM1 to COM24)  : –50.0 mA  (VFL= –60 V)
• General output port output current
 Output driver (P1 to P4)  : ±1.0 mA (VDD= 3.3 V±10%)   ±2.0 mA (VDD= 5.0 V±10%)
• Content of display
• CGROM  5 ×7 dots  : 240 types (character data)
• CGRAM  5 ×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.