xr17v258 Exar Corporation, xr17v258 Datasheet - Page 60

• Manufacturer Part Number: xr17v258
• Description: 66mhz Pci Bus Octal Uart With Power Management Support
• Manufacturer: Exar Corporation

XR17V258
66MHZ PCI BUS OCTAL UART WITH POWER MANAGEMENT SUPPORT
F
IGURE
19. PCI B
US
C
ONFIGURATION
Host
Host
C/BE[3:0]#
C/BE[3:0]#
Host
Host
Host
Host
Host
Host
Host
Host
FRAME#
FRAME#
AD[31:0]
AD[31:0]
DEVSEL#
DEVSEL#
TRDY#
TRDY#
IRDY#
IRDY#
CLK
CLK
Target
Target
Target
Target
Target
Target
S
PACE
1
1
ADDRESS
ADDRESS
CFG-WR
CFG-RD
R
EGISTERS
2
2
60
BYTE ENABLE#
BYTE ENABLE#
R
WRITE DATA
EAD AND
3
3
DATA
W
RITE OPERATION
4
4
PCICFG_WR
PCICFG_RD
xr
REV. 1.0.0