SH7055S Datasheet, PDF (775/1002 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7000 Series

22.2 Overview
22.2.1 Block Diagram
Internal address bus
Internal data bus (32 bits)
FCCS
FPCS
FECS
FKEY
FMATS
FTDAR
RAMER
Control unit
Memory MAT unit
User MAT: 512 kbytes
User boot MAT: 8 kbytes
Flash memory
FWE pin
Mode pins
Operating
mode
Legend
FCCS: Flash code control and status register
FPCS: Flash program code select register
FECS: Flash erase code select register
FKEY: Flash key code register
FMATS: Flash MAT select register
FTDAR: Flash transfer destination address register
RAMER: RAM emulation register
Figure 22.1 Block Diagram of Flash Memory
Rev.2.0, 07/03, page 737 of 960