Technical information

Section 3 Software Specifications when Using the SH72546RFCC, SH72544R, SH72543R, SH72531, and SH72531FCC
Rev. 2.00 Feb. 18, 2009 Page 36 of 94
REJ10J1938-0200
Table 3.4 Operation for ROM Cache
Function Operation
Write and erase of the flash memory
Download of the program to the flash memory
Set an overlap of ERAM to the flash memory
Change of the setting of an overlap of ERAM to the flash
memory
Download of a program to ERAM overlapped with the
flash memory
Rewrite of the memory contents of ERAM overlapped
with the flash memory
Set a software break to the flash memory and ERAM
overlapped with the flash memory
Writes or erases all contents of
ROM cache.
Memory read Accesses the disabled cache area
to read the content of internal flash
memory.
9. Using the Watchdog Timer (WDT)
The WDT does not operate during a break.
10. Loading Sessions
Information in [JTAG clock] of the [Configuration] dialog box cannot be recovered by loading
sessions. Thus the TCK value will be 15 MHz.
11. [IO] Window
⎯ Display and modification
For each watchdog timer register, there are two registers to be separately used for write and
read operations.