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| BL0508A1 Infrared Remote Control Transmitter IC Description The BL0508A1 is an infrared remote control transmitter LSI. There are 32 function keys and 3 double action keys . The transmission code consists of "leader pulse", "16bit customer code "and "16 bit date ". Using microprocessors for decode, various applications can be realized. (BL0508A1 is compatible with LC7462) Pin Assignment KL0 KL1 KL2 KL3 REM V DD SEL OSC0 OSC1 V SS 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 CCS KI/00 KI/01 KI/02 KI/03 KI/04 KI/05 KI/06 KI/07 LMP SOP 20 Features Low voltage operation: VDD=2.0~3.3V Low power consumption: IDD 1|I A at standby mode A system with high interference resistance and an extremely low error rate . Fewer external parts Use of ceramic resonator with a 400 to 500kHz oscillation is designed for non-adjustment operation Applications: Remote Control for TV Sample Application Circuit: 455kHz Ceramic Resonator 3V + 47F CG CD 1K Transmission Display Infrared Light Emitting Diode SE103AC,SE307 SE313,SE1003 2SC3616,3618 2SD1615,1616 2SC2001 2.0K VDD CCS OSC1 1 OSC1 0 SEL BL0508A1 LMP VSS REM BL0508A1 K10~K13 Address No.810, YiShan Road ShangHai China Tel 86-021-64850700 Fax 86-64852222 Zip.200233 |
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