XR16C850CM EXAR [Exar Corporation], XR16C850CM Datasheet - Page 47

• Manufacturer Part Number: XR16C850CM
• Description: 2.97V TO 5.5V UART WITH 128-BYTE FIFO
• Manufacturer: EXAR [Exar Corporation]

xr
REV. 2.3.1
F
F
IGURE
IGURE
CS0 or CS1
21. D
22. D
CS0 or CS1
Note: Only one chipselect and one read strobe should be used.
DDIS#
D0-D7
Note: Only one chipselect and one write strobe should be used.
A0-A2
CS2#
IOR#
AS#
IOR
D0-D7
A0-A2
IOW#
CS2#
IOW
AS#
ATA
ATA
B
B
T
US
US
AS1
T
T
CS1
AS1
T
R
W
CS1
EAD
RITE
T
RDV
T
T
RD1
Valid Address
T
T
IMING IN
WR1
IMING IN
Valid Address
T
ASW
T
T
ASW
CS
T
T
T
CS
DIS
I
RD
NTEL
I
T
NTEL
Valid Data
WR
T
T
T
CSH
AH1
Valid Data
DS2
T
T
CSH
AH1
B
B
US
US
M
M
ODE USING
ODE USING
T
47
T
DD
DY
T
T
DH2
DY
T
T
AS2
CS2
T
T
AS2
CS1
AS#
AS#
2.97V TO 5.5V UART WITH 128-BYTE FIFO
T
RDV
T
T
ASW
RD2
T
Valid Address
T
ASW
WR1
Valid Address
T
T
DIS
RD
T
T
CS
Valid Data
WR
T
T
Valid Data
DS2
CS
T
CSH
T
AH2
T
T
CSH
AH1
T
DD
T
DH2
XR16C850