JAJSQ98 july 2020 TSB82AF15-EP
PRODUCTION DATA
This read/write register specifies the lower limit of the I/O addresses that the bridge forwards downstream. See Table 10-15 for a complete description of the register contents.
PCI register offset: | 1Ch | |
Register type: | Read only, Read/Write | |
Default value: | 01h |
BIT NUMBER | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
RESET STATE | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
BIT | FIELD NAME | ACCESS | DESCRIPTION |
---|---|---|---|
7:4 | IOBASE | ||
3:0 | IOTYPE | R | I/O type. This field is read-only 1h indicating that the bridge supports 32-bit I/O addressing. |