xr16c850im Exar Corporation, xr16c850im Datasheet - Page 46

• Manufacturer Part Number: xr16c850im
• Description: Uart With 128-byte Fifos And Infrared Irda Encoder/decoder
• Manufacturer: Exar Corporation

XR16C850
2.97V TO 5.5V UART WITH 128-BYTE FIFO
F
F
IGURE
IGURE
19. D
20. D
D0-D7
Note: Only one chipselect and one write strobe should be used.
A0-A2
IOW#
CS2#
D0-D7
A0-A2
IOW
Note: Only one chipselect and one read strobe should be used.
CS1
CS0
CS2#
IOR#
CS0
CS1
IOR
ATA
ATA
B
B
T
US
US
AS
R
W
EAD
T
RITE
AS
T
RDV
T
T
IMING IN
IMING IN
Valid Address
Valid Address
T
WR
T
T
RD
I
T
CS
T
Valid Data
NTEL
I
CS
DS2
Valid Data
NTEL
B
B
US
US
M
M
ODE WITH
T
ODE WITH
T
DH2
T
T
AH
46
DD
AH
T
DY
T
DY
AS#
AS#
TIED TO
TIED TO
T
T
AS
AS
T
RDV
GND
GND
Valid Address
Valid Address
T
T
CS
T
CS
T
WR
T
Valid Data
DS2
RD
Valid Data
xr
T
T
DH2
T
AH
T
DD
AH
REV. 2.3.1