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VRC4171A

Features:  Processor Interface• LCD module: *RD, *WR, *LCDCS and LCDRDY signals from the VR41xx• Other modules: mini-ISA-like 16-bit bus interface (as defined in the VR41xx)• 256 x 18-bit on-chip color palette RAM for STN, DSTN, and TFT color panels• On-chip hardware curso...

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SeekIC No. : 004542956 Detail

VRC4171A: Features:  Processor Interface• LCD module: *RD, *WR, *LCDCS and LCDRDY signals from the VR41xx• Other modules: mini-ISA-like 16-bit bus interface (as defined in the VR41xx)• 256 ...

VRC4171A Data Sheet

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Part Number:
VRC4171A
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

 Processor Interface
• LCD module: *RD, *WR, *LCDCS and LCDRDY signals from the VR41xx
• Other modules: mini-ISA-like 16-bit bus interface (as defined in the VR41xx)
• 256 x 18-bit on-chip color palette RAM for STN, DSTN, and TFT color panels
• On-chip hardware cursor control (32 x 32 x 2)
 LCD Panel Support
• 240- and 480-line single scans
• 480-line dual scans
• STN, DSTN, and TFT color panels
• Nonindexed, true color (R, G, B): 15-bit (5-5-5) and 16-bit (5-6-5)
• Controller functions (320 x 240, 480 x 240, 640 x 240, and 640 x 480)
Monochrome: up to 16 gray-scale levels (1, 2, or 4 bits/pixel)
Color depth: 1, 2, 4, 5, 6, 8, or 16 bits/pixel
 Frame Buffer Memory
• One or two 3.3-volt 256K x 16-bit DRAMs (512K or 1 MB)
• One 1 MB x 16-bit DRAM (2 MB)
 PC CardTM Slots (up to two)
• PC Card or CompactFlashTM with adapter
• PC Card or CompactFlash or Miniature CardTM
PC Card controller: compliant with ExCA and PCMCIA release 2.1
CompactFlash controller: compliant with release 1.1
Miniature Card controller: compliant with release 1 (flash/ROM only)
 Other Features
• Up to four general-purpose I/O (GPIO) pins or up to two GPIO pins and two PCS pins
• 5-volt tolerance for LCD panel, frame buffer, and PC Card interface signals
• 208-pin LQFP package
• 3.3-volt ±5% operation


Pinout

Connection Diagram


Specifications

Parameter Specification
Power supply voltage, VDD 0.5 to +4.6 volts
Input voltage, VI  
3.3-volt input buffer (at VI < VDD + 0.5 volt) 0.5 to +4.6 volts
3.3-volt fail-safe buffer (at VI < VDD + 0.5 volt) 0.5 to +4.6 volts
5-volt tolerant (at VI < VDD + 3.0 volts) 0.5 to +6.6 volts
Output voltage, VO  
3.3-volt output buffer (at VO < VDD + 0.5 volt) 0.5 to +4.6 volts
5-volt tolerant buffer (at VO < VDD + 3.0 volts) 0.5 to +6.6 volts
5-volt open-drain output buffer (at VO < VDD + 3.0 volts) 0.5 to +6.6 volts
Latch-up current, ILATCH >1 A (typical)
Operating temperature, TOPT 40 to +85°C
Storage temperature, TSTG 65 to +125°C



Description

The VRC4171ATM is a companion chip to NEC's 64-bit VR41xxTM family of MIPS® RISC microprocessors. Together, these two devices form the essential engine for most Windows® CE-based handheld products.


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