XR17D158 Exar Corporation, XR17D158 Datasheet - Page 59

• Manufacturer Part Number: XR17D158
• Description: Eight-channel Pci-bus Uart
• Manufacturer: Exar Corporation

XR17D158
UNIVERSAL (3.3V AND 5V) PCI BUS OCTAL UART
REV. P1.0.0
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
Host
19. D
Host
Host
TRDY#
IRDY#
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
3
Active
UART R
4
EGISTERS
5
BYTE
Data
59
6
R
Parity
Data
EAD
Byte Enable# = DWORD
O
7
PERATION FOR A
Active
8
WORD
Data
9
Parity
B
Data
YTE OR
PRELIMINARY
10
Active
DWORD
áç
áç
áç
áç
11
PCI_RD1