參數(shù)資料
型號： XR16L2750IJ
廠商： EXAR CORP
元件分類： 微控制器/微處理器
英文描述： 2.25V TO 5.5V DUART WITH 64-BYTE FIFO
中文描述： 2 CHANNEL(S), 6.25M bps, SERIAL COMM CONTROLLER, PQCC44
封裝： PLASTIC, LCC-44
文件頁數(shù)： 49/49頁
文件大?。?/td> 602K
代理商： XR16L2750IJ
XR16L2750
2.25V TO 5.5V DUART WITH 64-BYTE FIFO
REV. 1.0.0
á
II
4.1 R
ECEIVE
H
OLDING
R
EGISTER
(RHR) - R
EAD
- O
NLY
........................................................................... 21
4.2 T
RANSMIT
H
OLDING
R
EGISTER
(THR) - W
RITE
-O
NLY
......................................................................... 21
4.3 I
NTERRUPT
E
NABLE
R
EGISTER
(IER) - R
EAD
/W
RITE
........................................................................... 21
4.3.1 IER versus Receive FIFO Interrupt Mode Operation................................................................................ 22
4.3.2 IER versus Receive/Transmit FIFO Polled Mode Operation.................................................................... 22
4.4 I
NTERRUPT
S
TATUS
R
EGISTER
(ISR) - R
EAD
-O
NLY
............................................................................ 23
4.4.1 Interrupt Generation: ................................................................................................................................ 23
4.4.2 Interrupt Clearing:..................................................................................................................................... 23
4.5 FIFO C
ONTROL
R
EGISTER
(FCR) - W
RITE
-O
NLY
............................................................................... 24
T
ABLE
9: I
NTERRUPT
S
OURCE
AND
P
RIORITY
L
EVEL
............................................................................................................................... 24
T
ABLE
10: T
RANSMIT
AND
R
ECEIVE
FIFO T
RIGGER
L
EVEL
S
ELECTION
.................................................................................................... 26
4.6 L
INE
C
ONTROL
R
EGISTER
(LCR) - R
EAD
/W
RITE
................................................................................. 27
4.7 M
ODEM
C
ONTROL
R
EGISTER
(MCR)
OR
G
ENERAL
P
URPOSE
O
UTPUTS
C
ONTROL
- R
EAD
/W
RITE
........ 28
T
ABLE
11: P
ARITY
SELECTION
................................................................................................................................................................ 28
4.8 L
INE
S
TATUS
R
EGISTER
(LSR) - R
EAD
O
NLY
..................................................................................... 29
4.9 M
ODEM
S
TATUS
R
EGISTER
(MSR) - R
EAD
O
NLY
............................................................................... 30
4.10 S
CRATCH
P
AD
R
EGISTER
(SPR) - R
EAD
/W
RITE
............................................................................... 31
4.11 E
NHANCED
M
ODE
S
ELECT
R
EGISTER
(EMSR) ................................................................................. 31
T
ABLE
12: S
CRATCHPAD
S
WAP
S
ELECTION
............................................................................................................................................ 31
4.12 FIFO L
EVEL
R
EGISTER
(FLVL) - R
EAD
-O
NLY
................................................................................... 32
4.13 B
AUD
R
ATE
G
ENERATOR
R
EGISTERS
(DLL
AND
DLM) - R
EAD
/W
RITE
............................................... 32
4.14 D
EVICE
I
DENTIFICATION
R
EGISTER
(DVID) - R
EAD
O
NLY
.................................................................. 32
T
ABLE
13: A
UTO
RTS H
YSTERESIS
....................................................................................................................................................... 32
4.15 D
EVICE
R
EVISION
R
EGISTER
(DREV) - R
EAD
O
NLY
......................................................................... 33
4.16 T
RIGGER
L
EVEL
R
EGISTER
(TRG) - W
RITE
-O
NLY
............................................................................. 33
4.17 RX/TX FIFO L
EVEL
C
OUNT
R
EGISTER
(FC) - R
EAD
-O
NLY
............................................................... 33
4.18 F
EATURE
C
ONTROL
R
EGISTER
(FCTR) - R
EAD
/W
RITE
.................................................................... 33
T
ABLE
14: T
RIGGER
T
ABLE
S
ELECT
....................................................................................................................................................... 33
4.19 E
NHANCED
F
EATURE
R
EGISTER
(EFR) ............................................................................................ 34
T
ABLE
15: S
OFTWARE
F
LOW
C
ONTROL
F
UNCTIONS
............................................................................................................................... 34
4.19.1 Software Flow Control Registers (XOFF1, XOFF2, XON1, XON2) - Read/Write................................... 35
T
ABLE
16: UART RESET CONDITIONS FOR CHANNEL A AND B ................................................................................................... 36
ABSOLUTE MAXIMUM RATINGS...................................................................................37
TYPICAL PACKAGE THERMAL RESISTANCE DATA (MARGIN OF ERROR: ± 15%)37
ELECTRICAL CHARACTERISTICS................................................................................37
DC E
LECTRICAL
C
HARACTERISTICS
...........................................................................................................37
TA=0o to 70oC (-40o to +85oC for industrial grade package), Vcc is 2.25V to 5.5V.......................................37
AC E
LECTRICAL
C
HARACTERISTICS
............................................................................................................38
TA=0o to 70oC (-40o to +85oC for industrial grade package), Vcc is 2.25 to 5.5V............................................38
F
IGURE
14. C
LOCK
T
IMING
.................................................................................................................................................................... 39
F
IGURE
15. M
ODEM
I
NPUT
/O
UTPUT
T
IMING
F
OR
C
HANNELS
A & B......................................................................................................... 40
F
IGURE
16. D
ATA
B
US
R
EAD
T
IMING
..................................................................................................................................................... 40
F
IGURE
17. D
ATA
B
US
W
RITE
T
IMING
.................................................................................................................................................... 41
F
IGURE
18. R
ECEIVE
R
EADY
& I
NTERRUPT
T
IMING
[N
ON
-FIFO M
ODE
]
FOR
C
HANNELS
A & B................................................................. 41
F
IGURE
19. T
RANSMIT
R
EADY
& I
NTERRUPT
T
IMING
[N
ON
-FIFO M
ODE
]
FOR
C
HANNELS
A & B............................................................... 42
F
IGURE
20. R
ECEIVE
R
EADY
& I
NTERRUPT
T
IMING
[FIFO M
ODE
, DMA D
ISABLED
]
FOR
C
HANNELS
A & B ............................................... 42
F
IGURE
21. R
ECEIVE
R
EADY
& I
NTERRUPT
T
IMING
[FIFO M
ODE
, DMA E
NABLED
]
FOR
C
HANNELS
A & B................................................ 43
F
IGURE
22. T
RANSMIT
R
EADY
& I
NTERRUPT
T
IMING
[FIFO M
ODE
, DMA M
ODE
D
ISABLED
]
FOR
C
HANNELS
A & B................................... 43
F
IGURE
23. T
RANSMIT
R
EADY
& I
NTERRUPT
T
IMING
[FIFO M
ODE
, DMA M
ODE
E
NABLED
]
FOR
C
HANNELS
A & B.................................... 44
P
ACKAGE
D
IMENSIONS
(48
PIN
TQFP
- 7
X
7
X
1
MM
)..................................................................................45
P
ACKAGE
D
IMENSIONS
(44
PIN
PLCC).......................................................................................................46
R
EVISION
H
ISTORY
....................................................................................................................................47
TABLE OF CONTENTS ................................................................................................................................. I
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XR16L2750IJ-F 功能描述:UART 接口集成電路 UART RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
XR16L2750IM 制造商:EXAR 制造商全稱:EXAR 功能描述:2.25V TO 5.5V DUART WITH 64-BYTE FIFO
XR16L2750IM-F 功能描述:UART 接口集成電路 2.25V-5.5V 64B FIFO temp -45 to 85C;UART RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
XR16L2750IMTR-F 功能描述:UART 接口集成電路 UART RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
XR16L2751 制造商:EXAR 制造商全稱:EXAR 功能描述:2.25V TO 5.5V DUART WITH 64-BYTE FIFO AND POWERSAVE
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