DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 666
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
-
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Part Number:
DF71251AD50FPV
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(11) Transition to the programming/erasure state
In response to the transition to the programming/erasure state command, the boot program
transfers the erasing program and runs it to erase any data in the user MAT. On completion of this
erasure, the boot program returns the ACK code and enters the programming/erasure state.
Before sending the programming selection command and data for programming, the host must
select the device, clock mode, and new bit rate for the LSI by issuing the device selection
command, clock-mode selection command, new-bit-rate selection command, and then initiate the
transition to the programming/erasure state by sending the corresponding command to the boot
program.
Rev. 5.00 Mar. 06, 2009 Page 646 of 770
REJ09B0243-0500
Command
Response
Error
response
⎯ Command H'40 (1 byte): Transition to programming/erasure state
⎯ Response H'06 (1 byte): Response to the transition-to-programming/erasure state command
⎯ Error response H'C0 (1 byte): Error response to the transition-to-programming/erasure state
⎯ ERROR (1 byte): Error code
This is returned as ACK when erasure of the user MAT has succeeded after transfer of the
erasure program.
command
H'51: Erasure error (Erasure did not succeed because of an error.)
H'40
H'06
H'C0
H'51
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