XR17C158 Exar Corporation, XR17C158 Datasheet - Page 46

• Manufacturer Part Number: XR17C158
• Description: Eight-channel Pci-based (UART)
• Manufacturer: Exar Corporation

PRELIMINARY
F
TION
IGURE
Host
Note: PERR# and SERR are optional in a bus target application.
AD[31:0]
Host
C/BE[3:0]#
DEVSEL#
FRAME#
Host
Host
Host
Host
IRDY#
TRDY#
PERR#
SERR#
18. D
CLK
Even Parity is on AD[31:0], C/BE[3:0]#, and PAR
Target
Target
PAR
Target
Target
Target
Target
EVICE
1
Address
CMD
Bus
C
ONFIGURATION REGISTERS
2
DWORD
Address
Parity
Data
Byte Enable# = DWORD
3
DWORD
Active
Parity
Data
Data
4
DWORD
Active
Parity
Data
Data
, UART R
5
DWORD
Active
Parity
Data
Data
46
EGISTERS AND
6
Active
Parity
Data
Data DWORD
7
PCI BUS OCTAL UART
Active
T
RANSMIT
8
D
9
ATA
Parity
Data
B
URST
10
Active
W
XR17C158
RITE
11
PCI_BWR
REV. 1.0.0
O
PERA
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