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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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H8SX/1663R bảng dữ liệu(PDF) 1140 Page - Renesas Technology Corp |
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H8SX/1663R bảng dữ liệu(HTML) 1140 Page - Renesas Technology Corp |
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1140 / 1504 page  Section 25 Flash Memory Rev. 2.00 Sep. 24, 2008 Page 1108 of 1468 REJ09B0412-0200 25.2 Mode Transition Diagram When the mode pins are set in the reset state and reset start is performed, this LSI enters each operating mode as shown in figure 25.2. Although the flash memory can be read in user mode, it cannot be programmed or erased. The flash memory can be programmed or erased in boot mode, user program mode, user boot mode, and programmer mode. The differences between boot mode, user program mode, user boot mode, and programmer mode are shown in table 25.1. Reset state Programmer mode User mode User program mode User boot mode SCI boot mode On-board programming mode RES = 0 User mode sett ing SCI boot mode setting RES = 0 RES = 0 Programmer mode setting *1 RAM emulation can be available ROM disabled mode RES = 0 ROM disabled mode setting *2 Notes: * In this LSI, the user program mode is defined as the period from the timing when a program concerning programming and erasure is started in user mode to the timing when the program is completed. 1. Programming and erasure is started. 2. Programing and erasure is completed. RES = 0 USB boot mode sett ing USB boot mode Figure 25.2 Mode Transition of Flash Memory |
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