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H8S2245 数据表(PDF) 13 Page - Renesas Technology Corp |
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H8S2245 数据表(HTML) 13 Page - Renesas Technology Corp |
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13 / 818 page  Rev.3.00 Mar. 26, 2007 Page xiii of xlii REJ09B0355-0300 Item Page Revision (See Manual for Details) 8.7.2 Register Configuration 241 Port A Data Direction Register (PADDR) Description amended ... an undefined value will be read. PADDR cannot be modified. Setting a PADDR bit to 1 ... makes the pin an input pin. This register is a write-only register, and cannot be written by bit manipulation instruction. For details, see section 2.10.4, Access Methods for Registers with Write-Only Bits. PADDR is initialized to H'0 ... 8.8.2 Register Configuration 248 Port B Data Direction Register (PBDDR) Description amended ... an undefined value will be read. This register is a write-only register, and cannot be written by bit manipulation instruction. For details, see section 2.10.4, Access Methods for Registers with Write-Only Bits. PBDDR is initialized to H'00 ... 8.9.2 Register Configuration 254 Port C Data Direction Register (PCDDR) Description amended ... an undefined value will be read. This register is a write-only register, and cannot be written by bit manipulation instruction. For details, see section 2.10.4, Access Methods for Registers with Write-Only Bits. PCDDR is initialized to H'00 ... 8.10.2 Register Configuration 260 Port D Data Direction Register (PDDDR) Description amended ... an undefined value will be read. This register is a write-only register, and cannot be written by bit manipulation instruction. For details, see section 2.10.4, Access Methods for Registers with Write-Only Bits. PDDDR is initialized to H'00 ... 8.11.2 Register Configuration 266 Port E Data Direction Register (PEDDR) Description amended ... an undefined value will be read. This register is a write-only register, and cannot be written by bit manipulation instruction. For details, see section 2.10.4, Access Methods for Registers with Write-Only Bits. PEDDR is initialized to H'00 ... 8.12.2 Register Configuration 272 Port F Data Direction Register (PFDDR) Description amended ... an undefined value will be read. This register is a write-only register, and cannot be written by bit manipulation instruction. For details, see section 2.10.4, Access Methods for Registers with Write-Only Bits. PFDDR is initialized by a power-on reset ... |
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