DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 172

• 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: -

period is required because Iclk ≥ Bclk ≥ Pclk. In the case shown in figure 8.3, where n = 0 and m
= 1, the period required for access by the CPU is 3 × Iclk + 2 × Bclk + 2 × Pclk + 2 × Iclk.
Rev. 5.00 Mar. 06, 2009 Page 152 of 770
REJ09B0243-0500
Iclk
L bus
Bclk
I bus
Pclk
Peripheral bus
Figure 8.3 Timing of Read Access to the Peripheral Bus (Iclk:Bclk:Pclk = 4:2:1)