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STMPE2401 数据表(PDF) 45 Page - STMicroelectronics |
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STMPE2401 数据表(HTML) 45 Page - STMicroelectronics |
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45 / 55 page  STMPE2401 Keypad controller 45/55 Table 44. KPC_data_byte1 register Bit 7 654321 0 Name Up/Down R3R2R1R0C2 C1 C0 Read/Write R RRRRRRR Reset Value 1 111100 0 Bit Name Description 7 Up/Down ‘0’ for key-down, ‘1’ for key-up 6 R3 row number of key 2 (valid range : 0-11) 0x1111 for No Key 5R2 4R1 3R0 2 C2 column number of key 2 (valid range : 0-7) 1C1 0C0 Table 45. KPC_data_byte2 register Bit 7 6 5 432 10 Name - - - - Dedicated Key 0 ~ 3 Read/Write R R R RR RRR Reset Value 0 0 0 011 11 Bit Name Description 7- - 6- - 5- - 4- - 3 Dedicated Key 3 ‘0’ for key-down, ‘1’ for key-up 2 Dedicated Key 2 ‘0’ for key-down, ‘1’ for key-up 1 Dedicated Key 1 ‘0’ for key-down, ‘1’ for key-up 0 Dedicated Key 0 ‘0’ for key-down, ‘1’ for key-up |
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