xr17v258 Exar Corporation, xr17v258 Datasheet - Page 63
xr17v258
Manufacturer Part Number
xr17v258
Description
66mhz Pci Bus Octal Uart With Power Management Support
Manufacturer
Exar Corporation
Datasheet
1.XR17V258.pdf
(70 pages)
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xr
REV. 1.0.0
F
IGURE
Host
AD[31:0]
Note: PERR# and SERR are optional in a bus target application.
C/BE[3:0]#
DEVSEL#
Host
FRAME#
Host
Host
Host
Host
IRDY#
TRDY#
PERR#
SERR#
CLK
Target
Target
Even Parity is on AD[31:0], C/BE[3:0]#, and PAR
22. D
PAR
Target
Target
Target
Target
EVICE
1
CMD
Bus
AD
AD
C
ONFIGURATION
Active
Byte Enable# = DWORD
66MHZ PCI BUS OCTAL UART WITH POWER MANAGEMENT SUPPORT
R
EGISTERS
8
Data
Data
Active
, UART R
63
13
EGISTERS AND
Data
Data
Active
R
ECEIVE
18
Data
Data
D
Active
ATA
B
URST
23
Data
R
EAD
Data
XR17V258
Active
O
PCI_BRD
PERATION