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HD6432351 датащи(PDF) 110 Page - Renesas Technology Corp |
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HD6432351 датащи(HTML) 110 Page - Renesas Technology Corp |
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110 / 1025 page ![]() Section 3 MCU Operating Modes Rev. 3.00 Sep 15, 2006 page 76 of 988 REJ09B0330-0300 3.4 Pin Functions in Each Operating Mode The pin functions of ports A to F vary depending on the operating mode. Table 3.4 shows their functions in each operating mode. Table 3.4 Pin Functions in Each Mode Port Mode 1 Mode 2* 2 Mode 3*2 Mode 4 Mode 5 Mode 6* 2 Mode 7*2 Port A PA7 to PA5 P P P P* 1/A P* 1/A P* 1/A P PA4 to PA0 A A Port B A P* 1/A P A A P* 1/A P Port C A P* 1/A P A A P* 1/A P Port D D D P D D D P Port E P* 1/D P* 1/D P P/D* 1 P* 1/D P* 1/D P Port F PF7 P/C* 1 P/C* 1 P* 1/C P/C* 1 P/C* 1 P/C* 1 P* 1/C PF6 to PF3 C C P C C C P PF2 to PF0 P* 1/C P* 1/C P* 1/C P* 1/C P* 1/C Legend: P: I/O port A: Address bus output D: Data bus I/O C: Control signals, clock I/O Notes: 1. After reset 2. Only applies to the H8S/2351. 3.5 Memory Map in Each Operating Mode Figure 3.1 shows a memory map for each of the operating modes. The address space is 64 kbytes in modes 1 to 3 (normal modes), and 16 Mbytes in modes 4 to 7 (advanced modes). The H8S/2351’s on-chip ROM contains 64 kbytes, but only 56 kbytes are available in modes 2 and 3 (normal modes). The address space is divided into eight areas for modes 4 to 7. For details, see section 6, Bus Controller. |
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