Figure 21.1 Block Diagram Of Flash Memory; User Boot Mode - Renesas H8S Series Hardware Manual

Section 21 Flash Memory (0.18-µm F-ZTAT Version)
 User boot mode
The user boot program of the optional interface can be made and the user MAT can be
programmed.
• Programming/erasing protection
Sets protection against flash memory programming/erasing via hardware, software, or error
protection.
• Programmer mode
This mode uses the PROM programmer. The user MAT and user boot MAT can be
programmed.
FWE pin
Mode pins
[Legend]
FCCS:
FPCS:
FECS:
FKEY:
FMATS: Flash MAT select register
FTDAR: Flash transfer destination address register
Note: To read from or write to the registers, the FLSHE bit in the serial timer control
register (STCR) must be set to 1.
Rev. 3.00 Jul. 14, 2005 Page 736 of 986
REJ09B0098-0300
Internal address bus
Internal data bus (16 bits)
FCCS
FPCS
FECS
Control unit
FKEY
FMATS
FTDAR
Operating
mode
Flash code control status register
Flash program code select register
Flash erase code select register
Flash key code register

Figure 21.1 Block Diagram of Flash Memory

Memory MAT unit
User MAT: 1 Mbyte
User boot MAT: 8 kbytes
Flash memory