Datasheet

Section 19 Flash Memory
Rev. 3.00 Sep. 28, 2009 Page 579 of 710
REJ09B0384-0300
• Size (4 bytes): 4-byte response to a memory read
(4) 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.
Inquiry and selection commands are listed below.
Table 19.11 Inquiry and Selection Commands
Command Command Name Description
H'20 Supported Device Inquiry Inquiry regarding device codes
H'10 Device Selection Selection of device code
H'21 Clock Mode Inquiry Inquiry regarding numbers of clock modes and
values of each mode
H'11 Clock Mode Selection Indication of the selected clock mode
H'22 Multiplication Ratio Inquiry Inquiry regarding the number of frequency-
multiplied clock types, the number of
multiplication ratios, and the values of each
multiple
H'23 Operating Clock Frequency Inquiry Inquiry regarding the maximum and minimum
values of the main clock and peripheral clocks
H'24 User Boot MAT Information Inquiry Inquiry regarding the number of user boot
MATs and the start and last addresses of
each MAT
H'25 User MAT Information Inquiry Inquiry regarding the a number of user MATs
and the start and last addresses of each MAT
H'26 Block for Erasing Information
Inquiry
Inquiry regarding the number of blocks and
the start and last addresses of each block
H'27 Programming Unit Inquiry Inquiry regarding the unit of programming data
H'3F New Bit Rate Selection Selection of new bit rate
H'40 Transition to Programming/Erasing
State
Erasing of user MAT and user boot MAT, and
entry to programming/erasing state
H'4F Boot Program Status Inquiry Inquiry into the operated status of the boot
program