DF61657CN35FTV Renesas Electronics America, DF61657CN35FTV Datasheet - Page 764

• Manufacturer Part Number: DF61657CN35FTV
• Description: IC H8SX/1657 MCU FLASH 120TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8SX/1600r

Specifications of DF61657CN35FTV

• Core Processor: H8SX
• Core Size: 32-Bit
• Speed: 35MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 82
• Program Memory Size: 768KB (768K x 8)
• Program Memory Type: FLASH
• Ram Size: 24K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 120-TQFP, 120-VQFP
• For Use With: 3DK1657 - DEV EVAL KIT FOR H8SX/1657
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 18 Flash Memory (0.18-µm F-ZTAT Version)
(g)
The boot program will return the byte-by-byte total of the contents of the bytes of the user-boot
program, as a four-byte value.
Command
• Command, H'4A, (one byte): Sum check for user-boot program
Response
• Response, H'5A, (one byte): Response to the sum check of user-boot program
• Size (one byte): The number of bytes that represents the checksum
• Checksum of user boot program (four bytes): Checksum of user boot MATs
• SUM (one byte): Sum check for data being transmitted
(h) 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
• Command, H'4B, (one byte): Sum check for user program
Response
• 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
Rev. 2.00 Jun. 28, 2007 Page 738 of 864
REJ09B0341-0200
This is fixed to 4.
The total of the data is obtained in byte units.
This is fixed to 4.
The total of the data is obtained in byte units.
User-Boot Program Sum Check
H'4A
H'5A
H'4B
H'5B
Size
Size
Checksum of user boot program
Checksum of user program
SUM
SUM