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MFG:500000 D/C:QFP176
Part Number: CXD9450
MFG: 500000
D/C: QFP176
Description: The Controller contains an internal MC24 Processor with a 16-MB address space and dedicated circuitry ...
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CXD9450
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DataSheet
General Description
CXD9450 General Description
The Controller contains an internal MC24 Processor with a 16-MB address space and dedicated circuitry optimized for facsimile image processing and monitoring and for thermal or thermal transfer printer support.
The CPU provides fast instruction (up to 10 MHz clock speed) execution and memory efficient input/output bit manipulation. The CPU connects to other internal functions over an 8-bit data bus and 24-bit address bus and dedicated control lines.
The 24-bit external address bus, 8-bit data bus, control, status, and decoded chip select signals support connection to external ROM, SRAM, DRAM, and FLASH memory.
CXD9450 Maximum Ratings
| Parameter | Symbol | Limits | Units |
| Supply Voltage | VDD | -0.5 to + 4.6 | V |
| Input Voltage | VIN | -0.5 to + 4.6 | V |
| Operating Temperature Range | TA | -0 to +70 | °C |
| Storage Temperature Range | TSTG | -55 to +125 | °C |
| Analog Inputs | VIN | -0.3 to (+3.3V +0.3V) | V |
| Voltage Applied to Outputs in High Impedance (Off) State | VHZ | -0.5 to + 4.6 | V |
| DC Input Clamp Current | IIK | ±20 | mA |
| DC Output Clamp Current | IOK | ±20 | mA |
| Static Discharge Voltage (25°C) | VESD | ±2500 | V |
| Latch-up Current (25°C) | ITRIG | ±200 | mA |
CXD9450 Features
• MC24 Central Processing Unit
− Up to 10 MHz CPU clock speed
− Memory efficient input/output bitmanipulation
− 24-bit internal address bus,8-bit data bus
• External Bus
− Address, data, control, status,and decoded chip select signals
support connection to external ROM, SRAM, DRAM and operator panel
− 24-bit external address bus
− 8-bit data bus
• Chip selects
− ROMCSn for ROM support
− CS0n for SRAM
− CS1n-CS5n for external I/O
− FCSn for FLASH memory support
− LCDCS for LCD support
• DRAM Controller
− DRAM is refreshed in Sleep and Stand-by modes
− Up to 8 MB supported in two blocks
− Organizations supported: 4 or 8-bit
− Single and page mode access support
• Flash memory support
− NAND and NOR-type support
− Serial NAND support
− NOR-type memory up to 2 MB
• DMA Controller
− Six dedicated internal DMA channels for scanner, thermal
printer, and T.4/T.6 access of internal and/or external memory.
− DMA Channel 2 can be reprogrammed for external
access to plain paper inkjet printing
− Up to 10 MHz CPU clock speed
− Memory efficient input/output bitmanipulation
− 24-bit internal address bus,8-bit data bus
• External Bus
− Address, data, control, status,and decoded chip select signals
support connection to external ROM, SRAM, DRAM and operator panel
− 24-bit external address bus
− 8-bit data bus
• Chip selects
− ROMCSn for ROM support
− CS0n for SRAM
− CS1n-CS5n for external I/O
− FCSn for FLASH memory support
− LCDCS for LCD support
• DRAM Controller
− DRAM is refreshed in Sleep and Stand-by modes
− Up to 8 MB supported in two blocks
− Organizations supported: 4 or 8-bit
− Single and page mode access support
• Flash memory support
− NAND and NOR-type support
− Serial NAND support
− NOR-type memory up to 2 MB
• DMA Controller
− Six dedicated internal DMA channels for scanner, thermal
printer, and T.4/T.6 access of internal and/or external memory.
− DMA Channel 2 can be reprogrammed for external
access to plain paper inkjet printing
CXD9450 Connection Diagram
CXD9450
PDF/DataSheet Download
- Datasheet: CXD9450
- File Size: 117126 KB
- Manufacturer: ETC [ETC]
- Click here to Download
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