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LC82151

Features: • CPU and peripheral circuits High-speed 16-bit CPU (65C816) operating at 7.4 MHz 16-MB program address space CODEC accelerator Two-channel DMA controller Four 16-bit timers 16-bit watchdog timer TPH interface Serial I/O interface Parallel I/O: 10 to 43 pins• Image processing...

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SeekIC No. : 004392272 Detail

LC82151: Features: • CPU and peripheral circuits High-speed 16-bit CPU (65C816) operating at 7.4 MHz 16-MB program address space CODEC accelerator Two-channel DMA controller Four 16-bit timers 16-bit w...

LC82151 Data Sheet

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Part Number:
LC82151
Supply Ability:
5000

Price Break

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

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Upload time: 2024/4/30

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Product Details

Description



Features:

• CPU and peripheral circuits
High-speed 16-bit CPU (65C816) operating at 7.4 MHz
16-MB program address space
CODEC accelerator
Two-channel DMA controller
Four 16-bit timers
16-bit watchdog timer
TPH interface
Serial I/O interface
Parallel I/O: 10 to 43 pins
• Image processing
Processes 2048 pixels per line
Processing speed: 540 ns per pixel (maximum)
Built-in 8-bit A/D converter (Includes a sensor signal delay function.)
Sensor drive circuit (Supports CCDs and all major CIS devices.)
Distortion correction (White distortion: 8-pixel averaging correction, black correction: Allows the black correction subtraction data to be set.)
g-correction (Supports user-defined correction curves.)
Simple binary conversion processing (fixed threshold and density-adaptive threshold)
Halftone processing error diffusion method (64 levels)
Image reduction (decimation, fine black line retention, and fine white line retention)
• Modem
Group 3 FAX modem
ITU-T V.29 (9600, 7200, and 4800 bps) ITU-T V.27ter (4800 and 2400 bps) ITU-T V.21ch2 (300 bps)
Simultaneous high/low-speed wait function
Short training function (ITU-T V.27ter only)
HDLC function (for all transmission speeds)
Synthesizer function
Caller ID function Bell 202 (1200 bps) ITU-T V.23 (1200 bps)
ADPCM function Encoding: 2, 3, or 4 bits Sampling frequencies: 9.6, 7.2, 4.8, and 3.6 kHz
RTC low-voltage backup
5-V single-voltage power supply


Specifications

Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VDD max
0.3 to +7.0
V
Input and output voltage
VI, VO
0.3 to VDD+0.3
V
Allowable power dissipation
Pd max
Ta 70°C
550
mA
Operating temperature
Topr
30 to +70
°C
Storage temperature
Tstg
55 to +125
°C
Soldering temperature   Manual soldering (3 seconds)
350
°C
  Reflow soldering (10 seconds)
235
°C



Description

The LC82151 is a facsimile controller that integrates the main functions required by facsimile systems on a single chip. The LC82151 includes a FAX modem with ADPCM and HDLC functions, image processing functions that can create high-quality binary image data without external memory, a CODEC accelerator, a CPU and CPU peripheral circuits, general-purpose I/O ports, and other functions. A facsimile system with excellent costperformance characteristics can be created easily by providing ROM and RAM.




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