DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 671
DF2437FV
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
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2437FV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Response
• Response, H'5A, (one byte): Response to the sum check of user boot MAT
• Size (one byte): The number of bytes that represents the checksum
• Checksum of MATs (four bytes): Checksum of user boot MATs
• SUM (one byte): Sum check for data being transmitted
(13) User MAT Sum Check
The boot program will return the byte-by-byte total of the contents of the bytes of the user MAT,
as a four-byte value.
Command
• Command, H'4B, (one byte): Sum check for user MAT
Response
• Response, H'5B, (one byte): Response to the sum check of the user MAT
• Size (one byte): The number of bytes that represents the checksum
• Checksum of MATs (four bytes): Checksum of user MATs
• SUM (one byte): Sum check for data being transmitted
(14) User Boot MAT Blank Check
The boot program will check whether or not all user boot MATs are blank and return the result.
Command
• Command, H'4C, (one byte): Blank check for user boot MAT
Response
• Response, H'06, (one byte): Response to the blank check of user boot MAT
Error Response
• Error response, H'CC, (one byte): Error response to blank check for user boot MAT
• Error code, H'52, (one byte): Erasure has not been completed.
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.
If all user boot MATs are blank (H'FF), ACK will be returned.
H'5A
H'4B
H'5B
H'4C
H'06
H'CC
Size
Size
H'52
Checksum of MATs
Checksum of MATs
Rev.2.00 May. 28, 2009 Page 631 of 732
SUM
SUM
REJ09B0059-0200
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