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PT6321 Datasheet(PDF) 1 Page - Princeton Technology Corp |
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PT6321 Datasheet(HTML) 1 Page - Princeton Technology Corp |
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1 / 6 page  PT6321 Fluorescent Display Tube Controller Driver Tel: 886-66296288‧Fax: 886-29174598‧ http://www.princeton.com.tw‧2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan DESCRIPTION The PT6321 is a dot matrix fluorescent display tube controller driver IC which displays characters, numerics and symbols. Dot matrix fluorescent display tube drive signals are generated by serial data sent from a microcontroller. A display system is easily realized by internal ROM and RAM for character display. FEATURES • Logic power supply(VDD): 3.3V±10% / 5.0V±10% • Fluorescent display tube drive power supply (VDISP): 20V~60V • VFD driver output current (VFD driver output can directly be connected to the fluorescent display tube. No pull-down resistor is required.) - Segment driver (SEG1 to SEG35): -5.0mA (VDISP=60V) - Segment driver (AD1 to AD4): -10.0mA (VDISP=60V) - Grid driver (COM1 to COM24): -20.0mA (VDISP=60V) • General output port output current - Output driver (P1-4): ±1.0mA (VDD=3.3V±10%) ±2.0mA (VDD=5.0V±10%) • Content of display - CGROM: 5x7 dots, 240 types (character data) - CGRAM: 5x7 dots, 16 types (character data) - ADRAM: 24 (display digit) x 4 bits (symbol data) - DCRAM: 24 (display digit) x 8 bits (register for character data display) - General output port: 4 bits (static mode) • Display control function - Display digit: 9 to 24 digits - Display duty (contrast adjustment): 8 stages - All lights ON/OFF • 3 interfaces with microcontroller: DA, /CS, /CP(4 interfaces if /RESET is added) • 1-byte instruction execution (excluding data write to RAM) • Built-in oscillation circuit (external C and R) 80-pin plastic LQFP (LQFP80-P-1414-0.65-K) |
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