DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 676
DF71251AD50FPV
Manufacturer Part Number
DF71251AD50FPV
Description
MCU RISC FLASH 32K 8K 64LQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH Tinyr
Datasheet
1.DF71243N50FPV.pdf
(794 pages)
Specifications of DF71251AD50FPV
Core Processor
SH-2
Core Size
32-Bit
Speed
50MHz
Connectivity
SCI
Peripherals
POR, PWM, WDT
Number Of I /o
37
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
64-LQFP
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:
DF71251AD50FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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• Sum checking of the user MAT
In response to the command for sum checking of the user MAT, the boot program adds all bytes of
data in the user MAT and returns the result.
• Blank checking of the user MAT
In response to the command for blank checking of the user MAT, the boot program checks to see
if the whole of the user MAT is blank; the value returned indicates the result.
Rev. 5.00 Mar. 06, 2009 Page 656 of 770
REJ09B0243-0500
Command
Response
Command
Response
Error
response
⎯ Command H'4B (1 byte): Sum checking of the user MAT
⎯ Response H'5B (1 byte): Response to sum checking of the user MAT
⎯ Size (1 byte): The number of characters in the checksum for the MAT (fixed to 4)
⎯ Checksum for the MAT (4 bytes): Result of checksum calculation for the user MAT:
⎯ SUM (1 byte): Checksum (for the transmitted data)
⎯ Command H'4D (1 byte): Blank checking of the user MAT
⎯ Response H'06 (1 byte): Response to blank checking of the user MAT
⎯ Error response H'CD (1 byte): Error response to blank checking of the user MAT
⎯ Error code H'52 (1 byte): Non-erased error
the total of all data in the MAT, in byte units.
The ACK code is returned when the whole area is blank (all bytes are H'FF).
H'4B
H'5B
H'4D
H'06
H'CD
Size
H'52
Checksum for the MAT
SUM
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