DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 335

• 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: -

9.4.11
By measuring the delay of the output waveform and reflecting it to duty, the external pulse width
measurement function can be used as the dead time compensation function while the
complementary PWM is in operation.
Inverter output detection signal
Dead time delay signal
Dead Time Compensation
Figure 9.79 Delay in Dead Time in Complementary PWM Operation
Upper arm signal
Lower arm signal
Tdelay
Tdead
Rev. 5.00 Mar. 06, 2009 Page 315 of 770
REJ09B0243-0500