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SM1350AAQM Arkusz danych(PDF) 3 Page - Nippon Precision Circuits Inc |
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SM1350AAQM Arkusz danych(HTML) 3 Page - Nippon Precision Circuits Inc |
3 / 16 page SM1350AAQM SEIKO NPC CORPORATION - 3 PIN DESCRIPTION No. Pin Name I/O State *1 Description 1 VDD - - Supply pin 2 S0 3 S1 4 S2 5 S3 I SU Binary select mode : Phrase select pins. Serial select mode : S0 and S1 control melody output. 6 MODE I SU Melody select mode control. Binary mode when LOW, and serial mode when HIGH. 7 LH I SU Melody output mode control. One-shot when LOW, and level hold when HIGH. 8 STOP I U One-shot melody mode : Melody output stop control. Level hold melody mode : invalid input. 9 STN I U Melody start control 10 BUSYN O C Busy output signal. LOW when a melody is output. 11 CT O C External control pulse output 12 ICN I U Initialization clear input 13 VSS - - Ground pin 14 VOL I - Volume adjusts control. Volume adjusted using an external resistor. 15 SPN O P VOL current output 16 SP O P 10-bit D/A converter output 17 EBUSYIN I U It is not necessary to use it usually. It should connect VDD or OPEN. When this terminal is made LOW, BUSYN compulsorily becomes LOW. A pop sound might be emitted. 18 ENDN O C Pulse signal when melody output ends 19 T1N I U 20 T2N I U 21 T3N I U Test signal inputs This terminal cannot be used. It should connect VDD or OPEN. 22 TO O C Test signal output. 62.5kHz output when not in test mode. 23 XTN O - Oscillator output 24 XT I - Oscillator input *1. U : pull-up resistor connection SU : pull-up resistor connection only when melody output starts (Function for current consumption decrease when driving with battery. Only when the terminal is read, the pull-up resistor is connected.) P : p-channel open drain C : complementary output |
Podobny numer części - SM1350AAQM |
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Podobny opis - SM1350AAQM |
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