DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 278

• 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: -

Figure 9.28 shows examples of PWM waveform output with 0% duty and 100% duty in PWM
mode.
Rev. 5.00 Mar. 06, 2009 Page 258 of 770
REJ09B0243-0500
TGRA
TGRB
H'0000
TIOCA
TGRA
TGRB
H'0000
TIOCA
TGRA
TGRB
H'0000
TIOCA
TCNT value
TCNT value
TCNT value
TGRB rewritten
TGRB rewritten
TGRB rewritten
Figure 9.28 Example of PWM Mode Operation (3)
TGRB rewritten
Output does not change when cycle register and duty register
compare matches occur simultaneously
Output does not change when cycle register and duty
register compare matches occur simultaneously
TGRB rewritten
100% duty
100% duty
0% duty
TGRB rewritten
TGRB rewritten
0% duty
rewritten
TGRB
TGRB rewritten
Time
Time
Time