3069RF-ZTAT Datasheet, PDF (670/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

• 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 18.16 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'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
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
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
Inquiry regarding the number of blocks
and the start and last addresses of each
block
Inquiry regarding the unit of
programming 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
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 that order. These commands will
Rev. 5.0, 09/04, page 648 of 978