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SH7101 Datasheet(PDF) 461 Page - Renesas Technology Corp |
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SH7101 Datasheet(HTML) 461 Page - Renesas Technology Corp |
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461 / 560 page ![]() Section 14 Pin Function Controller (PFC) Rev.1.00 Sep. 18, 2008 Page 427 of 522 REJ09B0069-0100 Register Bit Bit Name Initial Value R/W Description PECRL2 PECRL2 9 8 PE4MD1 PE4MD0 0* 0* R/W R/W PE4 Mode Select the function of the PE4/TIOC1A/RxD3/A6 pin. 00: PE4 I/O (port) 10: RxD3 input (SCI) 01: TIOC1A I/O (MTU) 11: A6 output (BSC) PECRL2 PECRL2 7 6 PE3MD1 PE3MD0 0 0 R/W R/W PE3 Mode Select the function of the PE3/TIOC0D pin. 00: PE3 I/O (port) 10: Setting prohibited 01: TIOC0D I/O (MTU) 11: Setting prohibited PECRL2 PECRL2 5 4 PE2MD1 PE2MD0 0 0 R/W R/W PE2 Mode Select the function of the PE2/TIOC0C pin. 00: PE2 I/O (port) 10: Setting prohibited 01: TIOC0C I/O (MTU) 11: Setting prohibited PECRL2 PECRL2 3 2 PE1MD1 PE1MD0 0 0 R/W R/W PE1 Mode Select the function of the PE1/TIOC0B pin. 00: PE1 I/O (port) 10: Setting prohibited 01: TIOC0B I/O (MTU) 11: Setting prohibited PECRL2 PECRL2 1 0 PE0MD1 PE0MD0 0* 0* R/W R/W PE0 Mode Select the function of the PE0/TIOC0A/ CS0 pin. 00: PE0 I/O (port) 10: Setting prohibited 01: TIOC0A I/O (MTU) 11: CS0 output (BSC) Note: * The initial value is 1 in 8-bit external extended mode with the on-chip ROM disabled. 14.2 Usage Note In this LSI, individual functions are available as multiplexed functions on multiple pins. This approach is intended to increase the number of selectable pin functions and to allow the easier design of boards. When the pin function controller (PFC) is used to select a function, only a single pin can be specified for each function. If one function is specified for two or more pins, the function will not work properly. |
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