DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 657

• 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: -

(2)
In response to the device selection command, the boot program sets the specified device as the
selected device. The boot program will return the information on the selected device in response to
subsequent inquiries.
(3)
In response to the inquiry on clock modes, the boot program returns the number of available clock
modes.
Command
Response
Error
response
Command
Response
⎯ Command H'10 (1 byte): Device selection
⎯ Size (1 byte): Number of characters in the device code (fixed at 4)
⎯ Device code (4 bytes): A device code that was returned in response to an inquiry on
⎯ SUM (1 byte): Checksum
⎯ Response H'06 (1 byte): Response to device selection
⎯ Error response H'90 (1 byte): Error response to device selection
⎯ ERROR (1 byte): Error code
⎯ Command H'21 (1 byte): Inquiry on clock modes
Device selection
Inquiry on clock modes
supported devices (ASCII encoded)
This is the ACK code and is returned when the specified device code matches one of the
supported devices.
H'11: Sum-check error
H'21: Non-matching device code
H'10
H'06
H'90
H'21
H'31
Size
ERROR
Size
Device code
Mode
…
Rev. 5.00 Mar. 06, 2009 Page 637 of 770
SUM
SUM
REJ09B0243-0500