OXMPCI952 Datasheet, PDF (93/108 Pages) Oxford Semiconductor – Integrated High Performance Dual UARTs, 8-bit Local Bus/Parallel Port. 3.3v PCI/miniPCI interface.

OXFORD SEMICONDUCTOR LTD.
TIMING WAVEFORMS
OXmPCI952
CLK
1
2
FRAME#
AD[31:0]
Address
C/BE[3:0]#
Bus CMD
IRDY#
TRDY#
DEVSEL#
STOP#
LBCLK
LBA
LBRDWR#
LBDS#
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_ads
t_zrds1
t_{zd1 tdrd}
Valid Local Bus Address
t_zrds2
t_zd2
Valid Data
t _{sd t hd}
Valid Data
Figure 8: PCI Read Transaction from Motorola-type Local Bus
DS-0020 Jun 05
Page 93