DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 677

• 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: -

• Inquiry on boot program state
In response to the command for inquiry on the state of the boot program, the boot program returns
an indicator of its current state and error information. This inquiry can be made in the inquiry-and-
selection state or the programming/erasure state.
Table 17.14 Status Codes
Command
Response
Code
H'11
H'12
H'13
H'1F
H'31
H'3F
H'4F
H'5F
⎯ Command H'4F (1 byte): Inquiry on boot program state
⎯ Response H'5F (1 byte): Response to the inquiry regarding boot-program state
⎯ Size (1 byte): The number of characters in STATUS and ERROR (fixed at 2)
⎯ STATUS (1 byte): State of the standard boot program
⎯ ERROR (1 byte): Error state (indicates whether the program is in normal operation or an
⎯ SUM (1 byte): Checksum
See table 17.14, Status Codes.
error has occurred)
ERROR = 0: Normal
ERROR ≠ 0: Error
See table 17.15, Error Codes.
H'4F
H'5F
Description
Waiting for device selection
Waiting for clock-mode selection
Waiting for bit-rate selection
Waiting for transition to programming/erasure status (bit-rate selection complete)
Erasing the user MAT
Waiting for programming/erasure selection (erasure complete)
Waiting to receive data for programming (programming complete)
Waiting for erasure block specification (erasure complete)
Size
STATUS
ERROR
Rev. 5.00 Mar. 06, 2009 Page 657 of 770
SUM
REJ09B0243-0500