CMOS LSI
No.
*5601
LC82151
Single-Chip Facsimile Controller
Preliminary
Overview
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 cost-
performance characteristics can be created easily by
providing ROM and RAM.
鈥?Modem
鈥?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)
鈥?Simultaneous high/low-speed wait function
鈥?Short training function (ITU-T V.27ter only)
鈥?HDLC function (for all transmission speeds)
鈥?Synthesizer function
鈥?Caller ID function
Bell 202 (1200 bps)
ITU-T V.23 (1200 bps)
鈥?ADPCM function
Encoding: 2, 3, or 4 bits
Sampling frequencies: 9.6, 7.2, 4.8, and 3.6 kHz
鈥?RTC low-voltage backup
鈥?5-V single-voltage power supply
Functions
鈥?CPU and peripheral circuits
鈥?High-speed 16-bit CPU (65C816) operating at
7.4 MHz
鈥?16-MB program address space
鈥?CODEC accelerator
鈥?Two-channel DMA controller
鈥?Four 16-bit timers
鈥?16-bit watchdog timer
鈥?TPH interface
鈥?Serial I/O interface
鈥?Parallel I/O: 10 to 43 pins
鈥?Image processing
鈥?Processes 2048 pixels per line
鈥?Processing speed: 540 ns per pixel (maximum)
鈥?Built-in 8-bit A/D converter (Includes a sensor signal
delay function.)
鈥?Sensor drive circuit (Supports CCDs and all major
CIS devices.)
鈥?Distortion correction (White distortion: 8-pixel
averaging correction, black correction: Allows the
black correction subtraction data to be set.)
鈥?/div>
緯-correction
(Supports user-defined correction curves.)
鈥?Simple binary conversion processing (fixed threshold
and density-adaptive threshold)
鈥?Halftone processing error diffusion method (64 levels)
鈥?Image reduction (decimation, fine black line retention,
and fine white line retention)
Package Dimension
unit: mm
3214-SQFP144
[LC82151]
SANYO: SQFP144
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
43097 (OT) No. 5601-1/8
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