4 operation, 1 supported pci commands – Renesas SH7781 User Manual
Page 660

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 mode supported
2. Only single transfer
3. Operate as the memory read command
4. Operate as the memory write command