XR17D154IV Exar Corporation, XR17D154IV Datasheet - Page 60

• Manufacturer Part Number: XR17D154IV
• Description: Universal QUART W/ PCI Bus Interface.
• Manufacturer: Exar Corporation

Specifications of XR17D154IV

• Features: *
• Number Of Channels: 4, QUART
• Fifo's: 64 Byte
• Protocol: RS485
• Voltage - Supply: 3.3V, 5V
• With Auto Flow Control: Yes
• With Irda Encoder/decoder: Yes
• With False Start Bit Detection: Yes
• With Modem Control: Yes
• Mounting Type: Surface Mount
• Package / Case: 144-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS Compliant

XR17D154
UNIVERSAL (3.3V AND 5V) PCI BUS QUAD UART
F
TION
IGURE
Note: PERR# and SERR are optional in a bus target application.
Host
AD[31:0]
DEVSEL#
Host
C/BE[3:0]#
FRAME#
Host
Host
Host
Host
IRDY#
TRDY#
PERR#
SERR#
22. 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
60
EGISTERS AND
6
Active
Parity
Data
Data DWORD
7
Active
T
RANSMIT
8
D
9
ATA
Parity
Data
B
URST
10
Active
xr
W
RITE
11
PCI BWR
REV. 1.2.2
O
PERA
-