R0K572030S000BE Renesas Electronics America, R0K572030S000BE Datasheet - Page 721

• Manufacturer Part Number: R0K572030S000BE
• Description: KIT DEV FOR SH7203
• Manufacturer: Renesas Electronics America
• Series: Renesas Starter Kits (RSK)r
• Type: MCUr

Specifications of R0K572030S000BE

• Contents: CPU Board, LCD Module, E10A-Lite Emulator, Cable, QuickStart Guide and CD-ROM
• Silicon Manufacturer: Renesas
• Kit Contents: Board
• Silicon Family Name: SH7203
• Silicon Core Number: R5S72030W200FP
• Tool / Board Applications: General Purpose MCU, MPU, DSP, DSC
• Mcu Supported Families: SH7203
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: SH7203
• Lead Free Status / Rohs Status: 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