SH7619 Datasheet, PDF (103/836 Pages) Renesas Technology Corp – 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. 5.00 Mar. 15, 2007 Page 65 of 794
REJ09B0237-0500