R5F61525 RENESAS [Renesas Technology Corp], R5F61525 Datasheet - Page 608
R5F61525
Manufacturer Part Number
R5F61525
Description
32-Bit CISC Microcomputer H8SX Family H8SX/1500 Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.R5F61525.pdf
(846 pages)
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Section 17 Flash Memory (0.18-(m F-ZTAT Version)
• Programming/erasing protection
• Flash memory emulation function using the on-chip RAM
Rev. 3.00 Mar. 14, 2006 Page 570 of 804
REJ09B0104-0300
Protection against programming/erasing of the flash memory can be set by hardware
protection, software protection, or error protection.
Realtime emulation of the flash memory programming can be performed by overlaying parts
of the flash memory (user MAT) area and the on-chip RAM.
Mode pins
[Legend]
FCCS: Flash code control/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
Note: To read from or write to the registers, the FLSHE bit in SYSCR must be set to 1.
Figure 17.1 Block Diagram of Flash Memory
FMATS
FTDAR
RAMER
FCCS
FPCS
FECS
FKEY
Operating
mode
Internal data bus (32 bits)
Internal address bus
Control unit
Flash memory
User MAT: 256 kbytes
User boot MAT: 10 kbytes
Memory MAT unit
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