xr16m2551im48 Exar Corporation, xr16m2551im48 Datasheet - Page 43

• Manufacturer Part Number: xr16m2551im48
• Description: High Performance Low Voltage Duart With 16-byte Fifo And Powersave Feature
• Manufacturer: Exar Corporation

REV. 1.0.2
F
F
IGURE
IGURE
RXRDY#
RX
INT
IOR#
(Reading data
out of RHR)
A0-A3
D0-D7
R/W#
18. 68 M
CS#
19. R
ECEIVE
HIGH PERFORMANCE LOW VOLTAGE DUART WITH 16-BYTE FIFO AND POWERSAVE FEATURE
ODE
R
Start
(M
Bit
EADY
OTOROLA
T
RWS
T
ADS
& I
D0:D7
NTERRUPT
) D
Valid Address
ATA
Stop
Bit
T
T
B
CSL
RR
T
T
in RHR
US
Valid Data
1 Byte
Ready
Active
WDS
IMING
T
T
Data
SSR
SSR
W
RITE
[N
T
ON
T
RWH
D0:D7
43
IMING
-FIFO M
T
T
WDH
ADH
T
CSD
ODE
T
RR
in RHR
]
1 Byte
Active
Ready
T
T
Data
FOR
SSR
SSR
C
HANNELS
Valid Address
D0:D7
A & B
Valid Data
XR16M2551
T
RR
T
in RHR
1 Byte
Ready
Active
SSR
T
Data
68Write
SSR
RXNFM