DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 677
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
- Current page: 677 of 794
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• 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
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