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H8S2245 Datasheet(PDF) 278 Page - Renesas Technology Corp |
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H8S2245 Datasheet(HTML) 278 Page - Renesas Technology Corp |
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278 / 818 page  Section 8 I/O Ports Rev.3.00 Mar. 26, 2007 Page 236 of 772 REJ09B0355-0300 8.6 Port 5 8.6.1 Overview Port 5 is a 4-bit I/O port. Port 5 pins also function as SCI I/O pins (TxD2, RxD2, and SCK2). Port 5 pin functions are the same in all operating modes. Figure 8.5 shows the port 5 pin configuration. P53 P52 P51 P50 (I/O) (I/O)/ (I/O)/ (I/O)/ SCK2 RxD2 TxD2 (I/O) (input) (output) Port 5 pins Port 5 Figure 8.5 Port 5 Pin Functions 8.6.2 Register Configuration Table 8.9 shows the port 5 register configuration. Table 8.9 Port 5 Registers Name Abbreviation R/W Initial Value* 1 Address* 2 Port 5 data direction register P5DDR W H'0 H'FEB4 Port 5 data register P5DR R/W H'0 H'FF64 Port 5 register PORT5 R Undefined H'FF54 Notes: 1. Value of bits 3 to 0. 2. Lower 16 bits of the address. |
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