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參數(shù)資料
| 型號： | TL16C2552RHB |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 1.8-V to 5-V DUAL UART WITH 16-BYTE FIFOS |
| 中文描述： | 1.8 V至5 V雙的UART具有16字節(jié)FIFO |
| 文件頁數(shù)： | 2/34頁 |
| 文件大?。?/td> | 407K |
| 代理商： | TL16C2552RHB |
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RXA
MFA
D5
D6
RIB
DSRB
CDB
TXRDYB
V
CC
INTA
RTSA
DTRA
TXA
39
35
31
29
30
32
33
34
36
37
38
2
4
6
1
42
40
41
43
44
3
5
7
8
9
10
11
12
13
14
15
16
17
19
18
26
28
20 21 22 23 24 25
27
A0
XTAL1
GND
XTAL2
A1
A2
CHSEL
INTB
D7
I
C
M
R
G
R
I
R
T
D
C
D
D
C
C
D
R
V
C
T
D
D
D
TL16C2552FN
FN PACKAGE
(TOP VIEW)
I
C
I
R
R
I
R
T
1
2
3
4
5
6
7
8
9
1
1
1
1
1
1
1
24
23
22
21
20
19
18
17
D6
D7
A0
XTAL1
XTAL2
A1
A2
CHSEL
RXA
TXA
RTSA
INTA
GND
NC
NC
CTSB
3
3
3
2
2
2
2
2
D
D
D
D
D
D
V
C
C
RHB PACKAGE
(TOP VIEW)
NC No internal connection
NOTE: The 32-pin RHB package does not provide access to DSRA,
DSRB, RIA, RIB, CDA, CDB inputs and MFA, MFB, DTRA, DTRB,
TXRDYA, TXRDYB outputs.
TL16C2552RHB
TL16C2552
SLWS163A–SEPTEMBER 2005–REVISED JUNE 2006
Each ACE is a speed and voltage range upgrade of
the TL16C550C, which in turn is a functional
upgrade of the TL16C450. Functionally equivalent to
the TL16C450 on power up or reset (single character
or TL16C450 mode), each ACE can be placed in an
alternate FIFO mode. This relieves the CPU of
excessive software overhead by buffering received
and to be transmitted characters. Each receiver and
transmitter store up to 16 bytes in their respective
FIFOs,
with
the
receive
additional bits per byte for error status. In the FIFO
mode, a selectable autoflow control feature can
significantly reduce software overload and increase
system efficiency by automatically controlling serial
data flow using handshakes between the RTS output
and CTS input, thus eliminating overruns in the
receive FIFO.
FIFO
including
three
Each ACE performs serial-to-parallel conversions on
data received from a peripheral device or modem
and stores the parallel data in its receive buffer or
FIFO, and each ACE performs parallel-to-serial
conversions on data sent from its CPU after storing
the parallel data in its transmit buffer or FIFO. The
CPU can read the status of either ACE at any time.
Each
ACE
includes
complete
capability and a processor interrupt system that can
be tailored to the application.
modem
control
Each ACE includes a programmable baud rate
generator capable of dividing a reference clock with
divisors of from 1 to 65535, thus producing a 16×
internal reference clock for the transmitter and
receiver logic. Each ACE accommodates up to a
1.5-Mbaud serial data rate (24-MHz input clock). As
a reference point, that speed would generate a
667-ns bit time and a 6.7-μs character time (for 8,N,1
serial data), with the internal clock running at 24
MHz.
Each ACE has a TXRDY and RXRDY output that
can be used to interface to a DMA controller.
2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TL16C2752 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:1.8-V to 5-V DUAL UART WITH 64-BYTE FIFOS |
| TL16C2752FN | 功能描述:UART 接口集成電路 1.8V to 5V Dual 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 |
| TL16C2752FNG4 | 功能描述:UART 接口集成電路 1.8V to 5V Dual 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 |
| TL16C2752FNR | 功能描述:UART 接口集成電路 1.8V to 5V Dual 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 |
| TL16C2752FNRG4 | 功能描述:UART 接口集成電路 1.8V to 5V Dual 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 |
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