DF2338VFC25IV Renesas Electronics America, DF2338VFC25IV Datasheet - Page 623

• Manufacturer Part Number: DF2338VFC25IV
• Description: MCU 3V 256K I-TEMP PB-FREE 144-Q
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of DF2338VFC25IV

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 106
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 12x10b; D/A 4x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 144-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

13.3.4
The WOVF flag is set to 1 if TCNT overflows during watchdog timer operation. At the same time,
the WDTOVF signal goes low. If TCNT overflows while the RSTE bit in RSTCSR is set to 1, an
internal reset signal is generated for the entire chip. Figure 13.7 shows the timing in this case.
φ
TCNT
Overflow signal
(internal signal)
WOVF
WDTOVF signal
Internal reset
signal
Timing of Watchdog Timer Overflow Flag (WOVF) Setting
Figure 13.7 Timing of WOVF Setting
H'FF
Rev.4.00 Sep. 07, 2007 Page 591 of 1210
132 states
H'00
518 states
REJ09B0245-0400