DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 670

• Manufacturer Part Number: DF2437FV
• Description: IC H8S/2437 MCU FLASH 128QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2400r

Specifications of DF2437FV

• Core Processor: H8S/2600
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 85
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 128-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

(11) Memory Read
The boot program will return the data in the specified address.
Command
• Command: H'52 (one byte): Memory read
• Size (one byte): Amount of data that represents the area, read address, and read size (fixed to
• Area (one byte)
• Read address (four bytes): Start address to be read from
• Read size (four bytes): Size of data to be read
• SUM (one byte): Checksum
Response
• Response: H'52 (one byte): Response to memory read
• Read size (four bytes): Size of data to be read
• Data (n bytes): Data for the read size from the read address
• SUM (one byte): Checksum
Error Response
• Error response: H'D2 (one byte): Error response to memory read
• ERROR: (one byte): Error code
(12) User Boot MAT Sum Check
The boot program will return the byte-by-byte total of the contents of the bytes of the user boot
MAT, as a four-byte value.
Command
• Command, H'4A, (one byte): Sum check for user boot MAT
Rev.2.00 May. 28, 2009 Page 630 of 732
REJ09B0059-0200
9)
H'00: User boot MAT
H'01: User MAT
An address error occurs when the area setting is incorrect.
H'11: Checksum error
H'2A: Address error
H'2B: Size error
H'52
Read size
H'52
Data
SUM
H'4A
The read address is not in the MAT.
The read size exceeds the MAT.
H'D2
Size
Read size
···
ERROR
Area
Read address
SUM