p2125vps20 Renesas Electronics Corporation., p2125vps20 Datasheet - Page 573

• Manufacturer Part Number: p2125vps20
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

7. After selection of the device and clock mode, programming/erasing information of the user
8. After making inquiries and selecting a new bit rate, issue the transition to
(9)
In the programming/erasing state, a programming selection command makes the boot program
select the programming method, a 128-byte programming command makes it program the
memory with data, and an erasing selection command and block erasing command make it erase
the block. The programming/erasing commands are listed in table 19.12.
Table 19.12 Programming/Erasing Commands
Command
H'42
H'43
H'50
H'48
H'58
H'52
H'4A
H'4B
H'4C
H'4D
H'4F
boot MAT and user MAT should be inquired using the user boot MAT information inquiry
(H'24), user MAT information inquiry (H'25), erased block information inquiry (H'26), and
programming unit inquiry (H'27).
programming/erasing state command (H'40). The boot program will then enter the
programming/erasing state.
Programming/Erasing State
Command Name
User boot MAT programming selection Transfers the user boot MAT programming
User MAT programming selection
128-byte programming
Erasing selection
Block erasing
Memory read
User boot MAT sum check
User MAT sum check
User boot MAT blank check
User MAT blank check
Boot program status inquiry
Section 19 Flash Memory (0.18-µm F-ZTAT Version)
Description
program
Transfers the user MAT programming
program
Programs 128 bytes of data
Transfers the erasing program
Erases a block of data
Reads the contents of memory
Checks the sum of the user boot MAT
Checks the sum of the user MAT
Checks whether the contents of the user
boot MAT are blank
Checks whether the contents of the user
MAT are blank
Inquires into the boot program’s processing
status
Rev. 1.00 Sep. 21, 2006 Page 535 of 658
REJ09B0310-0100