OX16PCI954_05 Datasheet, PDF (66/73 Pages) Oxford Semiconductor – Integrated Quad UART and PCI interface

OXFORD SEMICONDUCTOR LTD.
TIMING WAVEFORMS
OX16PCI954
CLK
1
2
FRAME#
AD[31:0]
Address
C/BE[3:0]#
Bus CMD
IRDY#
TRDY#
DEVSEL#
STOP#
LBCLK
LBA
LBCS#
LBRD#
LBD¹
LBD ²
3
4
5
Data
Byte enable#
n+5
n+6
n+7
Where: n = 0, 1, .., 9
Data
t _ref
t _za
t _ard
t _zrcs1
t_csrd
t_zrd1
t
t
zd1
drd
Valid Local Bus Address
t _zrcs2
t_rdcs
t_zrd2
t_zd2
Valid Data
t _{sd t hd}
Valid Data
Figure 8: PCI Read Transaction from Intel-type Local Bus
DS-0029 Jul 05
External—Free Release
Page 66