DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 654
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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Rev. 5.00 Mar. 06, 2009 Page 634 of 770
REJ09B0243-0500
⎯ Command (1 byte): Inquiry, selection, programming, erasure, checking, etc.
⎯ Response (1 byte): Response to an inquiry
⎯ Size (one or two bytes): The length of data for transfer, excluding the command/response
⎯ Data (n bytes): Particular data for the command or response
⎯ Checksum (1 byte): Set so that the total sum of byte values from the command code to the
⎯ Error response (1 byte): Error response to a command
⎯ Error code (1 byte): Indicates the type of error.
⎯ Address (4 bytes): Address for programming
⎯ Data (n bytes): Data to be programmed. "n" is known from the response to the command
⎯ Data size (4 bytes): Four-byte field included in the response to a memory reading
One-character command
or one-character response
n-character command
or n-character response
Error response
128-byte
programming command
Response to
memory read command
code, size, and checksum.
checksum and change lower one byte to H'00.
used to inquire about the programming size.
command.
Figure 17.17 Formats in the Communications Protocol
Command or response
Command
Response
Address
Data size
Data
Size
Command or response
Error code
Error response
Data (n bytes)
Data
Checksum
Checksum
Checksum
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