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TC9243AFG датащи(PDF) 2 Page - Toshiba Semiconductor |
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TC9243AFG датащи(HTML) 2 Page - Toshiba Semiconductor |
2 / 10 page TC9243APG/AFG 2005-02-25 2 Block Diagram Pin Function Pin No. Symbol Pin Name Function and Operation 1 GND 20 VDD Power Terminal For applying the supply voltage (VDD = 2.0 to 4.0 V) 2 T X 3 XT Oscillator Terminal Input/output terminals for the ceramic oscillators, with built-in amplifier circuit and feedback resistor 4 RST Reset Input When this pin is set at “L” level, the inside is initialized. Equipped with a built-in pull-up resistor. 5~12 K0~K7 Key Inputs Input terminals for the key matrix. Each pin has a built-in pull-down resistor. 13~16 T0~T3 Key Scan Output Key matrix scan output terminals. CMOS output. 17 CODE Code Scan Output Scan output terminals for code setting. P-ch open drain output. 18 TXON Transmission Display Output Transmission display LED driving output terminal 19 TXOUT Transmission Output Infrared LED driving output terminal |
Аналогичный номер детали - TC9243AFG |
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Аналогичное описание - TC9243AFG |
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