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SH79F6488P/080PR Datasheet(PDF) 42 Page - SINOWEALTH Electronic Ltd |
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SH79F6488P/080PR Datasheet(HTML) 42 Page - SINOWEALTH Electronic Ltd |
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42 / 152 page  SH79F6488/SH79F6489 42 Table 7.23 Port Data Register 80H, 90H, A0H, B0H, C0H Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 P0 (80H, Bank0) P0.7 P0.6 P0.5 P0.4 P0.3 P0.2 P0.1 P0.0 P1 (90H, Bank0) P1.7 P1.6 P1.5 P1.4 P1.3 P1.2 P1.1 P1.0 P2 (A0H, Bank0) P2.7 P2.6 P2.5 P2.4 P2.3 P2.2 P2.1 P2.0 P3 (B0H, Bank0) P3.7 P3.6 P3.5 P3.4 P3.3 P3.2 P3.1 P3.0 P4 (C0H, Bank0) P4.7 P4.6 P4.5 P4.4 P4.3 P4.2 P4.1 P4.0 P5 (80H, Bank1) P5.7 P5.6 P5.5 P5.4 P5.3 P5.2 P5.1 P5.0 P6 (90H, Bank1) P6.7 P6.6 P6.5 P6.4 P6.3 P6.2 P6.1 P6.0 P7 (A0H, Bank1) P7.7 P7.6 P7.5 P7.4 P7.3 P7.2 P7.1 P7.0 P8 (B0H, Bank1) P8.7 P8.6 P8.5 P8.4 P8.3 P8.2 P8.1 P8.0 R/W R/W R/W R/W R/W R/W R/W R/W R/W Reset Value (POR/WDT/LVR/PIN) 0 0 0 0 0 0 0 0 Bit Number Bit Mnemonic Description 7-0 Px.y x = 0-8, y = 0-7 Port Data Register 7.7.3 Port Diagram Data Register Data Bus Write Read Port Pad PxCRy Read Data Register/Pad Selection Read PxPCRy Output Mode I/O Pad 0: From Pad 1: From data register SFEN Second Function Input Mode Read Port Data Register (Pull-up) 0 = ON 1 = OFF VDD VDD 0 = OFF 1 = ON Note: (1) The input source of reading input port operation is from the input pin directly. (2) The input source of reading output port operation has two paths, one is from the port data Register, and the other is from the output pin directly. The read Instruction distinguishes which path is selected: The read-modify-write instruction is for the reading of the data register in output mode, and the other instructions are for reading of the output pin directly. (3) The destination of writing port operation is the data register regardless the port shared as the second function or not. (4) In power-down mode:The reserve pins of LQFP64 package must be set to output or input with pull-high to avoid leakage current. |
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