xr16m890 Exar Corporation, xr16m890 Datasheet - Page 56

• Manufacturer Part Number: xr16m890
• Description: Uart With 128-byte Fifo And Integrated Level Shifters
• Manufacturer: Exar Corporation

XR16M890
UART WITH 128-BYTE FIFO AND INTEGRATED LEVEL SHIFTERS
F
F
IGURE
IGURE
A0-A2
D0-D7
R/W#
CS#
A0-A2
R/W#
D0-D7
22. 68 M
23. 68 M
CS#
ODE
ODE
(M
(M
T
OTOROLA
OTOROLA
RWS
T
T
T
RDA
RWS
ADS
T
ADS
) D
) D
Valid Address
Valid Address
ATA
ATA
T
B
CSL
B
T
CSL
Valid Data
US
US
T
Valid Data
WDS
R
W
PRELIMINARY
EAD
RITE
T
T
T
RWH
T
IMING
RWH
IMING
56
T
T
T
T
ADH
RDH
WDH
ADH
T
T
CSD
CSD
Valid Address
Valid Address
Valid Data
Valid Data
68Write
68Read
REV. P1.1.1