GT-6816 데이터 시트보기 (PDF) - Unspecified

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GT-6816

SCANNER Chips

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GT-6816

I. General Descriptions-

The GT-6816 is an enhanced version of GT-6801, which provides highly integrated System-On-Chip

(SOC) solution for high-performance color scanner. The GT-6816 is enhanced not only in the AFE

(Analog Front End) from 12-bit to 16-bit but also built-in an intelligent power management circuit to

meet both operating and suspend mode for USB bus-powered Scanner. The GT-6816 is also pin to pin

backward compatible with the GT-6801, providing system designer easy way to upgrade the current

applications without changing the hardware design.

II. Features-

² Single-chip integration for high-performance color scanner application

² On-chip Analog Front End: CDS/AGC and 16-bit ADC Maximum 6MHz

² On-chip universal TG supports various types of CCD/CIS sensors

² Embedded high-performance RISC controller

² On-chip USB transceiver

² Built-in 16KB image line buffers

² PC interface supports : USB/EPP/ECP/BPP

² No external memory component required for typical application

² Firmware programmable frame size

² Intelligent power management meets both operating and suspend mode for USB

bus power

² On-chip PLL circuits

² Operating clock :48 MHz with external crystal: 6 MHz

² Operating voltage: Core: 3.3V, I/O: 5V

² Operating current: Core 80mA, AFE 50mA

² Suspend current: 50 A

² Package: 128-QFP & 44-QFP

AFE

CDS

PGA

16-bit ADC

Compression

Engine

6 MHz

Crystal

MOTOR

PLL

I/O

Universal

Timing

Generator

Scanner

Control Logic

Image Buffer

RISC

Program

memory

Mask

ROM

Intelligent

Power

Management

PC interface

Parallel port

ECP

EPP

SPP

USB

ROM

2KB

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