Table 17.15 Inquiry And Selection Commands - Renesas H8SX/1520 Series Hardware Manual

Section 17 Flash Memory (0.18-(m F-ZTAT Version)
(3)
Inquiry and Selection States
The boot program returns information from the flash memory in response to the host's inquiry
commands and sets the device code, clock mode, and bit rate in response to the host's selection
command.
Table 17.15 lists the inquiry and selection commands.

Table 17.15 Inquiry and Selection Commands

Command
H'20
H'10
H'21
H'11
H'22
H'23
H'24
H'25
H'26
H'27
H'3F
H'40
H'4F
Rev. 3.00 Mar. 14, 2006 Page 634 of 804
REJ09B0104-0300
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Command Name
Supported device inquiry
Device selection
Clock mode inquiry
Clock mode selection
Multiplication ratio inquiry
Operating clock frequency inquiry
User boot MAT information inquiry
User MAT information inquiry
Block for erasing information Inquiry Inquiry regarding the number of blocks and
Programming unit inquiry
New bit rate selection
Transition to programming/erasing
state
Boot program status inquiry
Description
Inquiry regarding device codes
Selection of device code
Inquiry regarding numbers of clock modes
and values of each mode
Indication of the selected clock mode
Inquiry regarding the number of frequency-
multiplied clock types, the number of
multiplication ratios, and the values of each
multiple
Inquiry regarding the maximum and minimum
values of the main clock and peripheral clocks
Inquiry regarding the number of user boot
MATs and the start and last addresses of
each MAT
Inquiry regarding the a number of user MATs
and the start and last addresses of each MAT
the start and last addresses of each block
Inquiry regarding the unit of program data
Selection of new bit rate
Erasing of user MAT and user boot MAT, and
entry to programming/erasing state
Inquiry into the operated status of the boot
program