PI7C7100 Datasheet, PDF (101/132 Pages) Pericom Semiconductor Corporation – 3-Port PCI Bridge

ADVANCE INFORMATION
Appendix A
PI7C7100
3-Port PCI Bridge _{1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233}
0
P_CLK
P_AD [31:0]
P_CBE [3:0]
P_FRAME_L
P_IRDY_L
P_TRDY_L
P_STOP_L
P_DEVSEL_L
P_GNT_L
P_REQ_L
S_CLKOUT[0]
S_AD[31:0]
S_CBE[3:0]
S_FRAME_L
S_IRDY_L
S_TRDY_L
S_STOP_L
S_DEVSEL_L
S_GNT_L
S_REQ_L
0
Figure 18. Upstream Posted Memory Write Transaction (S/33MHz-->P/33MHz)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
Addr Data
7 Byte Enables
Addr Data
7 Byte Enables
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
Figure 19. Downstream Flow-Through Posted Memory Write Transaction (P/33MHz-->S/33MHz)
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
P_CLK
P_AD [31:0]
P_CBE [3:0]
Addr Data
7
Data Data Data Data Data Data Data Data Data
Byte Enables
P_FRAME_L
P_IRDY_L
P_TRDY_L
P_STOP_L
P_DEVSEL_L
P_GNT_L
P_REQ_L
S_CLKOUT[0]
S_AD[31:0]
S_CBE[3:0]
Addr Data Data Data Data Data Data Data Data Data Data
7
Byte Enables
S_FRAME_L
S_IRDY_L
S_TRDY_L
S_STOP_L
S_DEVSEL_L
S_GNT_L
S_REQ_L
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
A-11
04/18/00