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ET6212

ETC

Integrated 7-segment LED audio equalizer display driver circuit

ET6208/6210/6212TEL:0755-82863877 13242913995 E-MAIL:[email protected] 7 LED ET6208/6210/6212 7 8*8(ET6208),10*10(...


ETC

ET6212

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Description
ET6208/6210/6212TEL:0755-82863877 13242913995 E-MAIL:[email protected] 7 LED ET6208/6210/6212 7 8*8(ET6208),10*10(ET6210), 12*12(ET6212) LED 。ET6208/6210/6212 。 , 20Hz~20KHz 7 , ADC ,, 。 MCU ,,LED 7 , 1 。, 1/8(ET6208),1/10(ET6210),1/12(ET6212) LED , 128 , 7 。 256*8bit(ET6208) , 256*10bit(ET6210),256*12bit(ET6212) RAM, RAM 、 RAM ,。 z z , MCU z -18dB~+18dB z 7 1 z z LED ( ET6210,ET6212) z 128 z 256*8bit(ET6208),256*10bit(ET6210),256*12bit(ET6212)RAM RAM z 10*10,12*12 ( ET6210,ET6212) z 7 z 10bits ADC z I2C z I2C z QFN24(ET6208Y),QFN28(ET6210Y),QFN32(ET6212Y),SOP24(ET6208M) http://www.szczkjgs.com 1/14 Rev 1.1 2009-11-27 ET6208/6210/6212 OSC SDA SDL AIN SEG1~SEG8/10/12 GRD1~GRD8/10/12 VDD GND 1 I/O I , I/O I2C/ I I2C I O (P ) O (N ) - - Rev 1.1 2009-11-27 2/14 ET6208/6210/6212 1. RC 2 3 RC OSC (Hz) (V) R (Ω) C (µf) 5 18k 33pf 2.5MHz 4.2 16k 33pf 3.3 15k 33pf 2.I2C MCU SDA SCL ET6208 。SDA SCL 。 。 SCL ,SDA 。 SCL , SDA 。 () Rev 1.1 2009-11-27 3/14 ET6208/6210/6212 SCL ,SDA , SCL ,SDA 。 8 。。 MSB。 , SDA ,,ET6208 SDA 。,ET6208 SDA 。 4 I2C 5 I2C :ACK= NOTACK= R/W =/ MSB= S= RS= P= =100KBITS/S Restart: SDA I2C : z z =0110000b 6 4/14 Rev 1.1 2009-11-27 ET6208/6210/6212 z 0b ( R/W ) z ACK= z =( 0b + xx + addre) z ACK= z z : 7 z z =0110000b z 0b ( R/W ) z ACK= (0b) z = ( 0b + xx + addre) z z =0110000b z 1b ( R/W ) z z NOTACK=(1b) z SDRAM : z z =0...




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