xr17v254 Exar Corporation, xr17v254 Datasheet - Page 61

• Manufacturer Part Number: xr17v254
• Description: 66mhz Pci Bus Quad Uart With Power Management Support
• Manufacturer: Exar Corporation

REV. 1.0.0
F
IGURE
Note: PERR# and SERR are optional in a bus target application.
Host
AD[31:0]
Host
C/BE[3:0]#
DEVSEL#
20. D
FRAME#
Host
Host
Host
Host
IRDY#
TRDY#
PERR#
SERR#
CLK
Even Parity is on AD[31:0], C/BE[3:0]#, and PAR
Target
Targe
PAR
Target
Target
Target
t
Target
EVICE
1
C
Address
CMD
ONFIGURATION AND
Bus
2
Address
Parity
Byte Enable# = BYTE
66MHZ PCI BUS QUAD UART WITH POWER MANAGEMENT SUPPORT
3
Active
UART R
4
EGISTERS
5
BYTE
Data
61
6
R
Parity
Data
EAD
Byte Enable# = DWORD
O
7
PERATION FOR A
Active
8
WORD
Data
9
Parity
Data
B
YTE OR
10
Active
DWORD
XR17V254
11
PCI_RD1