DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 673

• Manufacturer Part Number: DF71251AD50FPV
• Description: MCU RISC FLASH 32K 8K 64LQFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH Tinyr

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: -

(1)
In response to the erasure selection command, the boot program transfers the program that
performs erasure, i.e. erases data in the user MAT.
(2)
In response to the block erasure command, the boot program erases the data in a specified block of
the user MAT.
Command
Response
Error
response
Command
Response
⎯ Command H'48 (1 byte): Selects erasure.
⎯ Response H'06 (1 byte): Response to selection of erasure
⎯ Error response H'C8 (1 byte): Error response to selection of erasure
⎯ ERROR (1 byte): Error code
⎯ Command H'58 (1 byte): Erasure of a block
⎯ Size (1 byte): The number of characters in the block number field (fixed at 1)
⎯ Block number (1 byte): Block number of the block to be erased
⎯ SUM (1 byte): Checksum
⎯ Response H'06 (1 byte): Response to the block erasure command
Select erasure
Block erasure
This ACK code is returned after transfer of the program that performs erasure.
H'54: Error in selection processing (processing was not completed because of a transfer
error.)
This ACK code is returned when the block has been erased.
H'48
H'06
H'C8
H'58
H'06
ERROR
Size
Block number
Rev. 5.00 Mar. 06, 2009 Page 653 of 770
SUM
REJ09B0243-0500