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数据搜索系统，热门电子元器件搜索 |
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TTP259-ASFN 数据表(PDF) 68 Page - Tontek Design Technology |
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TTP259-ASFN 数据表(HTML) 68 Page - Tontek Design Technology |
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68 / 81 page  Preliminary TTP259 TonTouch TM 2015/05/25 Page 68 of 81 Ver: 1.1 PEI[20BH]: Port E pad data reading address [R], default value [----] Register Bit3 Bit2 Bit1 Bit0 Bit Name PEI3 PEI2 PEI1 PEI0 Read/Write R R R R PEI3~PEI0: Port E pad data. PFI[20CH]: Port F pad data reading address [R], default value [----] Register Bit3 Bit2 Bit1 Bit0 Bit Name PFI3 PFI2 PFI1 PFI0 Read/Write R R R R PFI3~PFI0: Port F pad data. . IO Port’s Special function When SpecIO is selected by mask option, PA0, PB0 and PB1 is special IO function. It can output ODATA register to user. ODATA can be store Key touch information by software. User set PA0 for input, PB0,PB1 for output. User can use this function to get Key touch information. When using special IO function, do not use IIC function. If not, PB0,PB1 are unexpected signal. ODATA[21FH]: Touch pad output register for special function [R/W], default value [0000 ] Register Bit3 Bit2 Bit1 Bit0 Bit Name ODATA3 ODATA2 ODATA1 ODATA0 Read/Write R/W R/W R/W R/W ODATA3~ODATA0: Touch pad information. PA0 (input) PB0 (output) PB1(output) 1 ODATA0 ODATA1 0 ODATA2 ODATA3 |
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