xr16l2552im Exar Corporation, xr16l2552im Datasheet - Page 40
xr16l2552im
Manufacturer Part Number
xr16l2552im
Description
Industry Smallest Package Uart With 2.25v To 5.5v Operation
Manufacturer
Exar Corporation
Datasheet
1.XR16L2552IM.pdf
(47 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
xr16l2552im-F
Manufacturer:
Exar Corporation
Quantity:
10 000
Part Number:
xr16l2552im-F
Manufacturer:
EXAR/艾科嘉
Quantity:
20 000
XR16L2552
2.25V TO 5.5V DUART WITH 16-BYTE FIFO
F
F
IGURE
IGURE
INT
RXRDY#
INT*
TXRDY#
IOW#
RX
IOR#
TX
(Unloading)
(Loading data
into THR)
(Reading data
out of RHR)
*INT is cleared when the ISR is read or when data is loaded into the THR.
18. R
19. T
IER[1]
enabled
RANSMIT
ECEIVE
T
WRI
R
T
Start
Start
Bit
WT
R
EADY
Bit
EADY
ISR is read
& I
D0:D7
T
& I
D0:D7
SRT
NTERRUPT
NTERRUPT
T
WRI
Stop
Stop
Bit
Bit
T
RR
T
in RHR
1 Byte
Ready
Active
T
IMING
T
T
Data
T
SSR
IMING
SSR
WT
[N
[N
ISR is read
ON
T
ON
D0:D7
D0:D7
SRT
40
-FIFO M
-FIFO M
ODE
ODE
T
RR
in RHR
1 Byte
]
Ready
Active
T
T
Data
]
FOR
SSR
SSR
FOR
T
C
WRI
C
HANNELS
HANNELS
T
WT
D0:D7
A & B
A & B
ISR is read
D0:D7
T
SRT
xr
TXNonFIFO
T
RR
T
in RHR
1 Byte
Ready
Active
SSR
T
Data
SSR
RXNFM
REV. 1.1.1