h8s-2172 Renesas Electronics Corporation., h8s-2172 Datasheet - Page 406

• Manufacturer Part Number: h8s-2172
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family H8s-2100 Series
• Manufacturer: Renesas Electronics Corporation.

• Programming/erasing protection
• Programmer mode
Rev. 2.00, 03/04, page 374 of 534
Sets protection against flash memory programming/erasing via hardware, software, or error
protection.
This mode uses the PROM programmer. The user MAT and user boot MAT can be
programmed.
FWE pin
Mode pin
Legend
FCCS:
FPCS:
FECS:
FKEY:
FMATS: Flash MAT select register
FTDAR: Flash transfer destination address register
Flash code control status register
Flash program code select register
Flash erase code select register
Flash key code register
FMATS
FTDAR
FCCS
FPCS
FECS
FKEY
Figure 14.1 Block Diagram of Flash Memory
Operating
mode
Internal data bus (16 bits)
Control unit
Internal address bus
Flash memory
User MAT: 256 kbytes
User boot MAT: 8 kbytes
Memory MAT unit