Interphase Tech 4538 - Manual (Page 83)

Chapter 2: 4538 Power-Up Initialization
4538 Hardware Reference Manual 61
Other PowerSpan Initializations
It is necessary to initialize the PowerSpan Interrupt Map registers in a specific way, in order
to use the interrupt pins as specified for the 4538. This can be done by the local processor
during its boot and/or by the PCI host.
The following C code is an example of interrupt pin initialization.
[±[) [ 5HVHUYHG
Table 2-1. PowerSpan Register Initialization Values in the Serial EEPROM (cont)
EEPROM
Address Initialization
Value Description