DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 92

• 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: -

A circuitry shown in figure 4.6 is recommended as an external circuitry around the PLL. Separate
the PLL power lines (PLLVss) and the system power lines (Vcc, Vss) at the board power supply
source, and be sure to insert bypass capacitors CB and CPB close to the pins.
Rev. 5.00 Mar. 06, 2009 Page 72 of 770
REJ09B0243-0500
Figure 4.6 Recommended External Circuitry around PLL
Note: * CB and CPB are laminated ceramic type.
PLLV
V
V
V
CC
SS
SS
CL
CPB = 0.1 μF *
CB = 0.1 μF *
(Recommended values are shown.)