DF2505BR26DV Renesas Electronics America, DF2505BR26DV Datasheet - Page 812

• Manufacturer Part Number: DF2505BR26DV
• Description: IC H8S/2505 MCU FLASH 176-LFBGA
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2500r

Specifications of DF2505BR26DV

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 26MHz
• Connectivity: I²C, SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 104
• Program Memory Size: 384KB (384K x 8)
• Program Memory Type: FLASH
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 16x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 176-LFBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 20 Flash Memory
• SUM (one byte): Sum check for data being transmitted
(14) User-Program Sum Check
The boot program will return the byte-by-byte total of the contents of the bytes of the user
program.
• Command, H'4B, (one byte): Sum check for user program
• Response, H'5B, (one byte): Response to the sum check of the user program
• Size (one byte): The number of bytes that represents the checksum
• Checksum of user boot program (four bytes): Checksum of user MATs
• SUM (one byte): Sum check for data being transmitted
(15) User Boot MAT Blank Check
The boot program will check whether or not all user boot MATs are blank and return the result.
• Command, H'4C, (one byte): Blank check for user boot MAT
• Response, H'06, (one byte): Response to the blank check of user boot MAT
• Error Response, H'CC, (one byte): Response to blank check for user boot MAT
• Error Code, H'52, (one byte): Erasure has not been completed.
(16) User MAT Blank Check
The boot program will check whether or not all user MATs are blank and return the result.
• Command, H'4D, (one byte): Blank check for user MATs
Rev. 6.00 Sep. 24, 2009 Page 764 of 928
REJ09B0099-0600
Command
Response
Command
Response
Error Response
Command
This is fixed to 4.
The total of the data is obtained in byte units.
If all user MATs are blank (H'FF), the boot program will return ACK.
H'4B
H'5B
H'4C
H'06
H'4D
H'CC
Size
H'52
Checksum of user program
SUM