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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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STMPE1801BJR Fiches technique(PDF) 44 Page - STMicroelectronics |
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STMPE1801BJR Fiches technique(HTML) 44 Page - STMicroelectronics |
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44 / 60 page  Keypad controller STMPE1801 44/60 Doc ID 17884 Rev 3 KPC_CTRL_HIGH Keypad controller control (High) Address: 35 Type: R/W, R Reset: 0x40 Description: Keypad data register. KPC_CMD Keypad command register Address: 36 Type: R/W, R Reset: 0x00 Description: Keypad command register. 76 5 4 3 2 1 0 RSVD CMB_KEY RESERVED SCAN_FREQ RRW R R R R RW 01 0 0 0 0 0 0 [7:4] RESERVED [6] CMB_KEY: Combination key mode 1: AND function for combination-key interrupt (default). 0: OR function for combination-key interrupt. [5:2] RESERVED [1:0] SCAN_FREQ: Scan frequency based on internal 32KHz clock 00: 60 Hz (default) 01: 30 Hz 10: 15 Hz 11: 275 Hz 76 5 4 3 2 1 0 RSVD RSVD RSVD RSVD RSVD RSVD KPC_LOCK SCAN R R R R R R RW RW 00 0 0 0 0 0 [7:2] RESERVED [1] KPC_LOCK: Keypad lock control bit 1: Writing 1 to enter key pad lock state when the key press stops. |
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