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SH7619_09 Datasheet, PDF (105/860 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7619 Series
Section 4 U Memory
Section 4 U Memory
This LSI has on-chip U memory which can be used to store instructions and data.
4.1 Features
Features of the U Memory are shown below.
• Size
16 kbytes
• Address
H'E55F_C000 to H'E55F_FFFF
• Priority
The U memory can be accessed from the I bus by the DMAC and E-DMAC and from the L
bus by the CPU. In the event of simultaneous accesses from different buses, the accesses are
processed according to the priority. The priority is: I bus > L bus.
4.2 Usage Notes
In sleep mode, the U memory cannot be accessed by the DMAC and E-DMAC.
Rev. 6.00 Jul. 15, 2009 Page 65 of 816
REJ09B0237-0600