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SH7147 датащи(PDF) 73 Page - Renesas Technology Corp |
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SH7147 датащи(HTML) 73 Page - Renesas Technology Corp |
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73 / 1108 page ![]() Section 3 MCU Operating Modes Rev. 3.00 Oct. 06, 2008 Page 49 of 1080 REJ09B0230-0300 Section 3 MCU Operating Modes 3.1 Selection of Operating Modes This LSI has three MCU operating modes and three on-chip flash memory programming modes. The operating mode is determined by the setting of FWE, MD1, and MD0 pins. Table 3.1 shows the allowable combinations of these pin settings; do not set these pins in the other way than the shown combinations. When power is applied to the system, be sure to conduct power-on reset. The MCU operating mode can be selected from MCU extension modes 0 and 2 and single chip mode. For the on-chip flash memory programming mode, boot mode, user boot mode, and user program mode which are on-chip programming modes are available. Table 3.1 Selection of Operating Modes Pin Setting Mode No. FWE MD1 MD0 Mode Name On-Chip ROM Bus Width of CS0 Space Mode 0 0 0 0 MCU extension mode 0 Not active 8 Mode 2 0 1 0 MCU extension mode 2 Active Set by CS0BCR in BSC Mode 3 0 1 1 Single chip mode Active ⎯ Mode 4* 1 0 0 Boot mode Active ⎯ Mode 5* 1 0 1 User boot mode Active Set by CS0BCR in BSC Mode 6* 1 1 0 User program mode Active Set by CS0BCR in BSC Mode 7* 1 1 1 — Note: * Flash memory program mode. |
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