xr16l2552im Exar Corporation, xr16l2552im Datasheet - Page 47
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
xr
REV. 1.1.1
ELECTRICAL CHARACTERISTICS................................................................................ 36
PACKAGE DIMENSIONS (48 PIN TQFP - 7 X 7 X 1 MM) .............................................. 43
PACKAGE DIMENSIONS (44 PIN PLCC) ....................................................................... 44
T
ABLE OF
T
A
DC E
AC E
R
YPICAL PACKAGE THERMAL RESISTANCE DATA
BSOLUTE
4.5 INTERRUPT STATUS REGISTER (ISR) - READ-ONLY ............................................................................... 25
4.6 FIFO CONTROL REGISTER (FCR) - WRITE-ONLY ..................................................................................... 26
4.7 LINE CONTROL REGISTER (LCR) - READ/WRITE ..................................................................................... 27
4.8 MODEM CONTROL REGISTER (MCR) OR GENERAL PURPOSE OUTPUTS CONTROL - READ/WRITE 28
4.9 LINE STATUS REGISTER (LSR) - READ ONLY ........................................................................................... 29
4.10 MODEM STATUS REGISTER (MSR) - READ ONLY .................................................................................. 30
4.11 SCRATCH PAD REGISTER (SPR) - READ/WRITE .................................................................................... 31
4.12 BAUD RATE GENERATOR REGISTERS (DLL AND DLM) - READ/WRITE .............................................. 31
4.13 ALTERNATE FUNCTION REGISTER (AFR) - READ/WRITE ..................................................................... 31
4.14 DEVICE IDENTIFICATION REGISTER (DVID) - READ ONLY .................................................................... 32
4.15 DEVICE REVISION REGISTER (DREV) - READ ONLY .............................................................................. 32
4.16 ENHANCED FEATURE REGISTER (EFR) .................................................................................................. 32
4.17 SOFTWARE FLOW CONTROL REGISTERS (XOFF1, XOFF2, XON1, XON2) - READ/WRITE ................ 34
EVISION
T
T
T
T
T
F
F
F
F
F
F
F
F
F
F
ABLE
ABLE
ABLE
ABLE
ABLE
IGURE
IGURE
IGURE
IGURE
IGURE
IGURE
IGURE
IGURE
IGURE
IGURE
LECTRICAL
LECTRICAL
4.4.1 IER VERSUS RECEIVE FIFO INTERRUPT MODE OPERATION ............................................................................. 23
4.4.2 IER VERSUS RECEIVE/TRANSMIT FIFO POLLED MODE OPERATION................................................................ 24
4.5.1 INTERRUPT GENERATION: ...................................................................................................................................... 25
4.5.2 INTERRUPT CLEARING: ........................................................................................................................................... 25
9: I
10: R
11: P
12: S
13: UART RESET CONDITIONS FOR CHANNELS A AND B ......................................................................................... 35
14. C
15. M
17. D
16. D
18. R
19. T
20. R
21. R
22. T
23. T
H
C
M
ISTORY
NTERRUPT
ONTENTS
AXIMUM
ARITY SELECTION
OFTWARE
ECEIVE
RANSMIT
RANSMIT
RANSMIT
LOCK
ATA
ATA
ECEIVE
ECEIVE
ECEIVE
ODEM
C
C
HARACTERISTICS
HARACTERISTICS
B
B
...................................................................................................................................... 45
T
US
US
FIFO T
I
IMING
NPUT
S
R
R
R
R
F
R
R
R
OURCE AND
W
R
EADY
EADY
EADY
ATINGS
LOW
EADY
EADY
EADY
EAD
............................................................................................................
RITE
/O
............................................................................................................................................................. 38
RIGGER
UTPUT
& I
& I
& I
C
T
........................................................................................................................................................ 28
T
& I
& I
& I
ONTROL
IMING
IMING
NTERRUPT
NTERRUPT
NTERRUPT
..................................................................................................................... 36
NTERRUPT
NTERRUPT
NTERRUPT
P
T
L
RIORITY
.............................................................................................................................................. 39
EVEL
IMING
............................................................................................................................................ 39
.............................................................................................................. 36
.............................................................................................................. 37
F
UNCTIONS
S
T
T
T
F
T
T
T
ELECTION
IMING
IMING
IMING
OR
L
IMING
IMING
IMING
EVEL
C
HANNELS
[N
[FIFO M
[FIFO M
........................................................................................................................ 33
....................................................................................................................... 26
[N
[FIFO M
[FIFO M
ON
(M
ON
................................................................................................................... 27
-FIFO M
-FIFO M
ARGIN OF ERROR
ODE
ODE
A & B ................................................................................................. 38
ODE
ODE
II
, DMA D
, DMA E
ODE
, DMA M
, DMA M
ODE
]
FOR
]
FOR
NABLED
ISABLED
ODE
ODE
C
2.25V TO 5.5V DUART WITH 16-BYTE FIFO
C
HANNELS
HANNELS
: ± 15%) ................................................ 35
D
E
]
]
ISABLED
NABLED
FOR
FOR
C
A & B ......................................................... 40
C
A & B ....................................................... 40
HANNELS
]
HANNELS
]
FOR
FOR
C
C
HANNELS
HANNELS
A & B......................................... 41
A & B........................................ 41
A & B ............................ 42
A & B ........................... 42
XR16L2552
I