xr16c2550ip Exar Corporation, xr16c2550ip Datasheet - Page 29

• Manufacturer Part Number: xr16c2550ip
• Description: Dual Uart With 16-byte Transmit And Receive Fifos
• Manufacturer: Exar Corporation

xr
REV. 1.0.1
F
F
IGURE
IGURE
RXRDY#
INT
RX
IOR#
(Reading data
out of RHR)
16. D
17. R
CSA#/
D0-D7
A0-A2
CSB#
IOW#
ATA
ECEIVE
B
US
R
Start
Bit
EADY
W
T
RITE
AS
& I
D0:D7
T
IMING
NTERRUPT
Valid Address
T
WR
T
CS
Valid Data
T
Stop
Bit
DS
T
RR
T
in RHR
1 Byte
Ready
Active
IMING
T
T
Data
SSR
SSR
[N
ON
T
T
DH
D0:D7
AH
29
-FIFO M
T
DY
ODE
2.97V TO 5.5V DUART WITH 16-BYTE FIFO
T
RR
in RHR
1 Byte
]
Ready
Active
T
T
Data
T
FOR
SSR
SSR
AS
C
HANNELS
Valid Address
T
CS
T
WR
T
Valid Data
DS
D0:D7
A & B
T
T
RR
T
T
DH
in RHR
1 Byte
AH
Active
Ready
SSR
XR16C2550
16Write
T
Data
SSR
RXNFM