PrefaceXIIIMobile NVR VPC-5500S4.1 Product CD/DVD ................................................................................................... 56Appendix A - Watchdog Timer Programming ................................................................... 65A.1 Watchdog Timer Initial Program ........................................................................ 66Appendix B - I/O Information .............................................................................................. 71B.1 I/O Address Map ................................................................................................... 72B.2 Memory Address Map ......................................................................................... 74B.3 IRQ Mapping Chart............................................................................................... 76B.4 DMA Channel Assignments ................................................................................ 80Appendix C – Digital I/O Ports ............................................................................................. 81C.1 DI/O Programming ............................................................................................... 82C.2 Digital I/O Register ................................................................................................ 83C.3 Digital I/O Sample Program ................................................................................ 84