SH7055S Datasheet, PDF (848/1002 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7000 Series

Table 22.18 Inquiry and Selection Commands
Command
H'20
Command Name
Supported Device Inquiry
H'10
H'21
Device Selection
Clock Mode Inquiry
H'11
H'22
Clock Mode Selection
Multiplication Ratio Inquiry
H'23
H'24
H'25
H'26
H'27
H'28
H'3F
H'40
H'4F
Operating Clock Frequency Inquiry
User Boot MAT Information Inquiry
User MAT Information Inquiry
Block for Erasing Information Inquiry
Programming Unit Inquiry
Two-MAT Simultaneous Programming
Information Inquiry
New Bit Rate Selection
Transition to Programming/Erasing
State
Boot Program Status Inquiry
Description
Inquiry regarding device codes and
product names of F-ZTAT
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 clock
types, the number of
multiplication/division ratios, and the
multiplication/division ratios
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
Inquiry regarding the number of blocks
and the start and last addresses of each
block
Inquiry regarding the unit of
programming data
Inquiry into whether or not simultaneous
two-MAT programming is allowed
Selection of new bit rate
Erasing of user MAT and user boot
MAT, and entry to programming/erasing
state
Inquiry into the operation status of the
boot program
The selection commands, which are device selection (H'10), clock mode selection (H'11), and new
bit rate selection (H'3F), should be sent from the host in this order. These commands are certainly
required. When two or more selection commands are sent at once, the last command will be valid.
All of these commands, except for the boot program status inquiry command (H'4F), will be valid
until the boot program receives the programming/erasing transition (H'40). The host can choose
the needed commands out of the commands and inquiries listed above. The boot program status
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