DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 684

• 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: -

18.1
18.1.1
RAM can be enabled/disabled by the standby control register. The initial value enables RAM
operation. RAM access is disabled by setting the module standby mode. For details, see section
19, Power-Down Modes.
18.1.2
When an address error in write access to the on-chip RAM occurs, the contents of the on-chip
RAM may be corrupted.
18.1.3
After power has been supplied, initial values in RAM remain undefined until RAM is written.
Rev. 5.00 Mar. 06, 2009 Page 664 of 770
REJ09B0243-0500
Usage Notes
Module Standby Mode Setting
Address Error
Initial Values in RAM