DS72030W200FPV Renesas Electronics America, DS72030W200FPV Datasheet - Page 721

• Manufacturer Part Number: DS72030W200FPV
• Description: MPU, 32BIT, SH7203, ROMLESS, 240QFP
• Manufacturer: Renesas Electronics America
• Series: SH7200r

Specifications of DS72030W200FPV

• Core Size: 32bit
• Program Memory Size: 32KB
• Cpu Speed: 200MHz
• Digital Ic Case Style: QFP
• No. Of Pins: 240
• Supply Voltage Range: 1.1V To 1.3V
• Operating Temperature Range: -20°C To +85°C
• Svhc: No SVHC
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

13.5.4
If the WDTOVF signal is input to the RES pin of this LSI, this LSI cannot be initialized correctly.
Avoid input of the WDTOVF signal to the RES pin of this LSI through glue logic circuits. To
reset the entire system with the WDTOVF signal, use the circuit shown in figure 13.6.
13.5.5
When a manual reset occurs in watchdog timer mode, the bus cycle is continued. If a manual reset
occurs while the bus is released or during DMAC burst transfer, manual reset exception handling
will be pended until the CPU acquires the bus mastership.
System Reset by WDTOVF Signal
Manual Reset in Watchdog Timer Mode
Figure 13.6 Example of System Reset Circuit Using WDTOVF Signal
Reset signal to
entire system
(Low active)
(Low active)
Reset input
Rev. 3.00 Sep. 28, 2009 Page 689 of 1650
Section 13 Watchdog Timer (WDT)
WDTOVF
RES
REJ09B0313-0300