xr16c2850im Exar Corporation, xr16c2850im Datasheet - Page 42

• Manufacturer Part Number: xr16c2850im
• Description: Dual Uart With Tx And Rx Fifo Counters, 128 Bytes Of Fifos And Automatic Rs-485 Half Duplex Control
• Manufacturer: Exar Corporation

XR16C2850
2.97V TO 5.5V DUAL UART WITH 128-BYTE FIFOS
F
F
IGURE
IGURE
18. D
19. D
CSA#/
CSA#/
A0-A2
D0-D7
CSB#
CSB#
IOW#
A0-A2
D0-D7
IOR#
ATA
ATA
B
B
T
US
US
AS
R
W
EAD
RITE
T
T
AS
RDV
T
T
IMING
IMING
Valid Address
Valid Address
T
T
WR
T
RD
T
CS
CS
Valid Data
T
Valid Data
DS
T
T
T
T
DH
42
DD
AH
AH
T
T
DY
DY
T
T
AS
T
AS
RDV
Valid Address
Valid Address
T
T
CS
CS
T
T
WR
RD
T
Valid Data
Valid Data
DS
xr
T
T
T
T
DD
DH
AH
AH
16Write
RDTm
REV. 2.1.3