XR17C158 Exar Corporation, XR17C158 Datasheet - Page 45
XR17C158
Manufacturer Part Number
XR17C158
Description
Eight-channel Pci-based (UART)
Manufacturer
Exar Corporation
Datasheet
1.XR17C158.pdf
(51 pages)
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XR17C158
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#
FRAME#
Host
17. D
Host
Host
Host
IRDY#
TRDY#
PERR#
SERR#
CLK
Even Parity is on AD[31:0], C/BE[3:0]#, and PAR
Target
Target
PAR
Target
Target
Target
Target
EVICE
PCI BUS OCTAL UART
1
C
Address
CMD
ONFIGURATION AND
Bus
2
Address
Parity
Byte Enable# = BYTE
3
Active
UART R
4
EGISTERS
5
BYTE
Data
45
6
R
Parity
Data
EAD
Byte Enable# = DWORD
O
7
PERATION FOR A
Active
8
WORD
Data
9
Parity
Data
B
YTE OR
PRELIMINARY
10
Active
DWORD
11
PCI_RD1