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HD64F36049 Datasheet(PDF) 167 Page - Renesas Technology Corp |
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HD64F36049 Datasheet(HTML) 167 Page - Renesas Technology Corp |
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167 / 562 page  Section 9 I/O Ports Rev. 3.00 Mar. 15, 2006 Page 135 of 526 REJ09B0060-0300 9.6.2 Port Data Register 7 (PDR7) PDR7 is a general I/O port data register of port 7. Bit Bit Name Initial Value R/W Description 7 6 5 4 3 2 1 0 P77 P76 P75 P74 P72 P71 P70 0 0 0 0 1 0 0 0 R/W R/W R/W R/W R/W R/W R/W PDR7 stores output data for port 7 pins. If PDR7 is read while PCR7 bits are set to 1, the values stored in PDR7 are read. If PDR7 is read while PCR7 bits are cleared to 0, the pin states are read regardless of the value stored in PDR7. Bit 3 is a reserved bit. This bit is always read as 1. 9.6.3 Pin Functions The correspondence between the register specification and the port functions is shown below. • P77 pin Register PCR7 Bit Name PCR77 Pin Function Setting Value 0 P77 input pin 1 P77 output pin • P76/TMOV pin Register TCSRV PCR7 Bit Name OS3 to OS0 PCR76 Pin Function Setting Value 0000 0 P76 input pin 1 P76 output pin Other than above X TMOV output pin [Legend] X: Don't care. |
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