RIVA128ZX Datasheet, PDF (29/85 Pages) STMicroelectronics – 128-BIT 3D MULTIMEDIA ACCELERATOR

128-BIT 3D MULTIMEDIA ACCELERATOR
Figure 26. PCI basic arbitration cycle
RIVA128ZX
PCICLK
PCIREQ#_a
PCIREQ#_b
PCIGNT#_a
PCIGNT#_b
PCIFRAME#
PCIAD[31:0]
address
data
access A
address
data
access B
Figure 27. Target initiated termination
PCICLK
1
PCIFRAME#
PCIIRDY#
PCITRDY#
PCISTOP#
PCIDEVSEL#
2
3
4
Disconnect - A
PCICLK
1
PCIFRAME#
PCIIRDY#
PCITRDY#
PCIPCISTOP#
PCIDEVSEL#
2
3
4
5
Disconnect - C / Retry
1
2
3
4
Disconnect - B
1
2
3
4
Target - Abort
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