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參數(shù)資料
| 型號： | ST16C650AIP40 |
| 廠商： | EXAR CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 2.90V TO 5.5V UART WITH 32-BYTE FIFO |
| 中文描述： | 1 CHANNEL(S), 3.125M bps, SERIAL COMM CONTROLLER, PDIP40 |
| 封裝： | 0.600 INCH, PLASTIC, DIP-40 |
| 文件頁數(shù)： | 5/53頁 |
| 文件大小： | 666K |
| 代理商： | ST16C650AIP40 |
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REV. 5.0.0
ST16C650A
2.90V TO 5.5V UART WITH 32-BYTE FIFO
5
AEN#
-
28
24
I
Address Enable input (active low)
When AEN# transition to logic 0, it decodes and validates COM 1-4 ports
address per S1, S2 and S3 inputs.
S1
S2
S3
-
-
-
23
10
35
21
5
31
I
Select 1 to 3
These are the standard PC COM 1-4 ports and IRQ selection inputs. See
Table 1
and
Table 3
for details. The S1 pin has an internal 100k
pull-up
resistor.
IRQA
IRQB
IRQC
-
-
-
33
32
27
30
29
23
O
Interrupt Request A, B and C Outputs (active high, tri-state)
These are the interrupt outputs associated with COM 1-4 to be connected
to the host data bus. See interrupt section for details. The Interrupt
Requests A, B or C functions as IRQx to the PC bus. IRQx is enabled by
setting MCR bit-3 to logic 1 and the desired interrupt(s) in the interrupt
enable register (IER).
LPT1#
-
17
12
O
Line Printer Port-1 Decode Logic Output (active low)
This pin functions as the PC standard LPT-1 printer port address decode
logic output, see
Table 1
. The baud rate generator clock output, BAUD-
OUT#, is internally connected to the RCLK input in the PC mode.
LPT2#
-
26
22
O
Line Printer Port-2 Decode Logic Output (active low)
This pin functions as the PC standard LPT-2 printer port address decode
logic output, see
Table 1
.
MODEM OR SERIAL I/O INTERFACE
TX
11
13
8
O
Transmit Data or wireless infrared transmit data
This output is active low in normal standard serial interface operation (RS-
232, RS-422 or RS-485) and active high in the infrared mode. Infrared
mode can be enabled by connecting pin ENIR to VCC or through software
setting after power up.
RX
10
11
7
I
Receive Data or wireless infrared receive data
Normal received data input idles at logic 1 condition and logic 0 in the
infrared mode. The wireless infrared pulses are applied to the decoder.
This input must be connected to its idle logic state in either normal, logic 1,
or infrared mode, logic 0, else the receiver may report “receive break” and/
or “error” condition(s).
RTS#
32
36
32
O
Request to Send or general purpose output (active low)
This port may be used for one of two functions:
1) automatic hardware flow control, see EFR bit-6, MCR bit-1and IER bit-
6.
2) RS485 half-duplex direction control, see XFR bits 2 and 5.
RTS# output must be asserted before auto RTS flow control can start.
CTS#
36
40
38
I
Clear to Send or general purpose input (active low)
If used for automatic hardware flow control, data transmission will be
stopped when this pin is de-asserted and will resume when this pin is
asserted again. See EFR bit-7 and IER bit-7.
DTR#
33
37
33
O
Data Terminal Ready or general purpose output (active low)
DSR#
37
41
39
I
Data Set Ready input or general purpose input (active low)
N
AME
40-
PDIP
P
IN
#
44-
PLCC
P
IN
#
48-
TQFP
P
IN
#
T
YPE
D
ESCRIPTION
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PDF描述 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ST16C650AIQ48 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述:UART, 48 Pin, Plastic, TQFP |
| ST16C650AIQ48-F | 功能描述:UART 接口集成電路 UART W/32BYTEFIFO 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 |
| ST16C650AIQ48TR | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| ST16C650AIQ48TR-F | 功能描述:UART 接口集成電路 UART W/32BYTEFIFO 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 |
| ST16C650CJ44 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
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