r5f71374an80fpv Renesas Electronics Corporation., r5f71374an80fpv Datasheet - Page 1004

• Manufacturer Part Number: r5f71374an80fpv
• Description: 32-bit Risc Microcomputer Superh?? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

Section 22 Flash Memory
• Inquiry on boot program state
In response to the command for inquiry on the state of the boot program, the boot program returns
an indicator of its current state and error information. This inquiry can be made in the inquiry-and-
selection state or the programming/erasure state.
Table 22.15 Status Codes
Rev. 1.00 Sep. 21, 2007 Page 978 of 1124
REJ09B0402-0100
Command
Response
Code
H'11
H'12
H'13
H'1F
H'31
H'3F
H'4F
H'5F
 Command H'4F (1 byte): Inquiry on boot program state
 Response H'5F (1 byte): Response to the inquiry regarding boot-program state
 Size (1 byte): The number of characters in STATUS and ERROR (fixed at 2)
 STATUS (1 byte): State of the standard boot program
 ERROR (1 byte): Error state (indicates whether the program is in normal operation or an
 SUM (1 byte): Checksum
See table 22.15, Status Codes.
error has occurred)
ERROR = 0: Normal
ERROR ≠ 0: Error
See table 22.16, Error Codes.
H'4F
H'5F
Description
Waiting for device selection
Waiting for clock-mode selection
Waiting for bit-rate selection
Waiting for transition to programming/erasure status (bit-rate selection complete)
Erasing the user MAT or user boot MAT
Waiting for programming/erasure selection (erasure complete)
Waiting to receive data for programming (programming complete)
Waiting for erasure block specification (erasure complete)
Size
STATUS
ERROR
SUM