xr17v258 Exar Corporation, xr17v258 Datasheet - Page 70

• Manufacturer Part Number: xr17v258
• Description: 66mhz Pci Bus Octal Uart With Power Management Support
• Manufacturer: Exar Corporation

XR17V258
66MHZ PCI BUS OCTAL UART WITH POWER MANAGEMENT SUPPORT
PACKAGE DIMENSIONS................................................................................................ 66
TABLE OF CONTENTS......................................................................................................
AC ELECTRICAL CHARACTERISTICS
R
TA=-40o to +85oC (industrial grade) Supply Voltage, VCC = 3.0 - 3.6V.................................................................. 58
TA=-40o to+85oC (industrial grade) VCC = 3.0 - 3.6V............................................................................................. 59
EVISION
F
F
F
F
F
F
F
IGURE
IGURE
IGURE
IGURE
IGURE
IGURE
IGURE
19. PCI B
20. D
21. D
22. D
23. 3.3V PCI B
24. T
25. R
H
ISTORY
RANSMIT
EVICE
EVICE
EVICE
ECEIVE
US
...................................................................................................................................... 67
C
C
C
C
D
ONFIGURATION AND
ONFIGURATION REGISTERS
ONFIGURATION
D
ATA
ONFIGURATION
US
ATA
C
R
LOCK
I
EADY
NTERRUPT AT
(DC
I
NTERRUPT AT
R
S
EGISTERS
TO
PACE
UART R
66MH
T
RIGGER
R
EGISTERS
, UART R
, UART R
FOR
Z
T
) ....................................................................................................................... 64
EGISTERS
RIGGER
L
3.3V SIGNALING ............................................................... 59
EVEL
R
EGISTERS AND
EGISTERS AND
L
EAD AND
........................................................................................................... 65
EVEL
R
EAD
III
.................................................................................................. 65
O
W
PERATION FOR A
RITE OPERATION
T
R
RANSMIT
ECEIVE
D
D
ATA
ATA
B
................................................................. 60
YTE OR
B
B
URST
URST
DWORD ...................................... 61
R
W
EAD
RITE
O
PERATION
O
PERATION
xr
........................ 63
..................... 62
REV. 1.0.0
I