DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 743

• 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: -

21.3.5
Table 21.9 Watchdog Timer (WDT) Timing
Conditions: V
Item
WDTOVF delay time
(reference values)
WDTOVF
CK
Watchdog Timer (WDT) Timing
T
T
a
a
CC
= –20 to +85°C (consumer specifications),
= –40 to +85°C (industrial specifications)
= AV
CC
= 4.0 V to 5.5 V, V
Symbol
t
WOVD
Figure 21.11 WDT Timing
t
WOVD
SS
= PLLV
Min.
—
SS
= AV
Max.
50
Rev. 5.00 Mar. 06, 2009 Page 723 of 770
t
SS
WOVD
= 0 V,
Unit
ns
REJ09B0243-0500
Reference
Figure
Figure 21.11