TP6820 데이터 시트보기 (PDF) - Topro

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TP6820

Digital Camera Solution

Topro 

TP 6820

Digital Camera Solution

(QQVGA/RS232/turn-key solution)

Pin Descriptions

SYMBOL

VSS

VCC

RST

ADD0~ADD16

DATA0~7

RX

TX

CS

EOF

WR_HALT

RAM_WR

SNAP

LED

BUZZER

CS_RAM

OSCI

OSCO

MODE

I

I

I

I/O

I/O

I

O

O

I

O

O

I

O

O

O

I

O

FUNCTION DESCRIPTION

Circuit GND Potential.

Main Power Supply(+4.5V~+5.5V)

A low level input resets the CPU. A small internal pull-up resistor

permits power-on reset using only a capacitor connected to GND.

Address pins for sram and sensor

Connect to data pins of sram and sensor

Receive data from pc through RS232 serial interface

Transfer data to pc through RS232 serial interface

Control PAS009 sensor

Control PAS009 sensor

Control PAS009 sensor

Control sram to read or write

A low level input will active to snap an image

Direct output, connect to a LED

Direct output, connect to a buzzer

Direct output, connect to memory chip select CS1.

Input to inverting oscillator amplifier

Oscillator output pin

Note: “I” means INPUT function; “O” means OUTPUT function.

Page 7 of 17

TOPRO CONFIDNETIAL

2003/7/31 Print

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