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参数资料
| 型号： | ML9204-XXGA |
| 厂商： | LAPIS SEMICONDUCTOR CO LTD |
| 元件分类： | 显示控制器 |
| 英文描述： | 24 X 35 DOTS FLUORESCENT DSPL CTRL, PQFP128 |
| 封装： | 14 X 20 MM, 0.50 MM PITCH, PLASTIC, QFP-128 |
| 文件页数： | 12/42页 |
| 文件大小： | 317K |
| 代理商： | ML9204-XXGA |
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OKI Semiconductor
PEDL9204-02
Issue Date:
Oct. 12, 2004
ML9204-xx
Preliminary
5
× 7 Dot Character × 24-Digit × 2-Line Display Controller/Driver with Character RAM (Built-in Key Scan)
1/41
GENERAL DESCRIPTION
The ML9204-xx is a 5
× 7 dot matrix type vacuum fluorescent display tube controller driver IC which displays
characters, numerics and symbols of a maximum of 24 digits
× 2 lines.
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.
Built-in key scan for 3-channel encoder type rotary switch and 5
× 6 matrix key switch allow the user to receive
each switch input.
The ML9204-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 (V
DD)
: 3.3 V±10% or 5.0 V±10%
VFD tube drive power supply (V
SEG, VCOM ) : 20 to 60 V
VFD driver output current
(VFD driver output can be connected directly to the VFD tube. No pull-down resistor is required.)
Segment driver (SEGA1 to A35, SEGB1 to B35)
Only one driver output is high
: –5 mA (VSEG = 60 V)
All the driver outputs are high
: –350 mA (VSEG = 60 V)
Segment driver (ADA, ADB)
: –15 mA (VSEG = 60 V)
Grid driver (COM1 to 24)
: –25 mA (VCOM = 60 V)
Content of display
SEGA1 to SEGA35 and ADA
CGROM_A
: 5
× 7 dots
240 types (character data)
CGRAM_A
: 5
× 7 dots
16 types (character data)
ADRAM_A
: 24 (display digit)
× 1 bit (symbol data; can be used for a cursor.)
DCRAM_A
: 24 (display digit)
× 8 bits (register for character data display)
SEGB1 to SEGB35 and ADB
CGROM_B
: 5
× 7 dots
240 types (character data)
CGRAM_B
: 5
× 7 dots
16 types (character data)
ADRAM_B
: 24 (display digit)
× 1 bit (symbol data; can be used for a cursor.)
DCRAM_B
: 24 (display digit)
× 8 bits (register for character data display)
Display control function
GCRAM
: Simultaneous output of COM1 to 24 can be set in 1 grid.
Display digits
: 1 to 24 digits (9- to 24-bit arbitrary setting)
Display duty (brightness adjustment)
: 0/1024 to 960/1024 stages
All lights ON/OFF
5 interfaces with microcontroller:DI/O, CS, CP, RESET, INT
Built-in key scan circuit for 5 × 6 matrix key switch
Built-in key scan circuit for 3-channel encoder type rotary switch
Built-in oscillation circuit
Crystal oscillation or ceramic oscillation: 4.0 MHz (Typ)
Standby function
Inhibiting the oscillator circuit provides low power consumption.
Package options:
128-pin plastic QFP (QFP128-P-1420-0.50-K) (ML9204-xxGA)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ML9205-01 | 制造商:OKI 制造商全称:OKI electronic componets 功能描述:5 x 7 Dot Character x 16-Digit Display Controller/Driver with Character RAM |
| ML9206 | 制造商:OKI 制造商全称:OKI electronic componets 功能描述:5 x 7 Dot Character x 16-Digit Display Controller/Driver with Character RAM |
| ML9206-XX | 制造商:OKI 制造商全称:OKI electronic componets 功能描述:5 x 7 Dot Character x 16-Digit Display Controller/Driver with Character RAM |
| ML9207 | 制造商:OKI 制造商全称:OKI electronic componets 功能描述:5 X 7 Dot Character × 24-Digit Display Controller/Driver with Character RAM |
| ML9207-XX | 制造商:OKI 制造商全称:OKI electronic componets 功能描述:5 X 7 Dot Character × 24-Digit Display Controller/Driver with Character RAM |
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