Interfacing the X5043 Watchdog Timer to Hitachi H8/3000 Microcontrollers Interfacing the X5043 Watchdog Timer to Hitachi H8/3000 Microcontrollers Application Note July 11, 2005 AN80.0 Author: Applications Staff The following code demonstrates how the Intersil X5043 SPI as shown in Figure 1. The interface uses four of the port pins serial EEPROM and watchdog timer could be interfaced to available on H8 family devices to imp……