13. PCI Controller (PCIC)
Rev.1.00 Jan. 10, 2008 Page 630 of 1658
REJ09B0261-0100
13.4 Operation

13.4.1 Supported PCI Commands

Table 13.4 Supported PCI Commands

C/BE[3:0] Commands PCI Master PCI Target
0000 Interrupt acknowledge cycle No
0001 Special cycle Yes*1
0010 I/O read Yes Yes*2
0011 I/O write Yes Yes*2
0100 Reserved
0101 Reserved
0110 Memory read Yes Yes
0111 Memory write Yes Yes
1000 Reserved
1001 Reserved
1010 Configuration read Yes*1 Yes
1011 Configuration write Yes*1 Yes
1100 Memory read multiple No Partially yes*3
1101 Dual address cycle No No
1110 Memory read line No Partially yes*3
1111 Memory write and invalidate No Partially yes*4
Legend:
Yes: Supported
Partially yes: Supported with conditions
No: Not supported
: Not respond
Notes: 1. Only host mod e supported
2. Only single transfer
3. Operate as the memory read command
4. Operate as the memory write command