參數(shù)資料
型號(hào)： ST16C552
廠(chǎng)商： Exar Corporation
英文描述： Dual UART with 16-Byte FIFO and Parallel Printer Port(雙通用異步接收器/發(fā)送器（帶16字節(jié)的先進(jìn)先出和并行打印機(jī)端口）)
中文描述： 雙UART），16字節(jié)FIFO和并行打印機(jī)端口（雙通用異步接收器/發(fā)送器（帶16字節(jié)的先進(jìn)先出和并行打印機(jī)端口）
文件頁(yè)數(shù)： 6/40頁(yè)
文件大小： 463K
代理商： ST16C552
6
ST16C552/552A
Rev. 3.30
Symbol
Pin
Signal Type
Pin Description
reached.
SLCT
65
I
Select (with internal pull-up) - General purpose input or line
printer select status. Normally this pin is connected to a
printer output (active low) that indicates the ready status of
a printer, i.e., on-line and/or on-line and ready.
-SLCTIN
58
I/O
Select In (open drain, with internal pull-up) - General
purpose I/O or line printer select. This pin can be read via
Bit-3 in the printer command register, or written via bit-3 in
the printer control register. As this pin is open-drain, it can
be wire-ord with other outputs. Normally this signal is
connected with a printer to select the printer with an active
low.
-STROBE
55
I/O
Strobe (open drain, with internal pull-up) - General purpose
I/O or data strobe output. Normally this output is connected
to a printer and indicates that valid data is available at the
printer port (PD0-PD7).
-TXRDY A/B
22,42
O
Transmit Ready A/B (active low). These outputs provide the
TX FIFO/THR status for individual transmit channels (A-B).
As such, an individual channels -TXRDY A-B buffer ready
status is indicated by logic 0, i.e., at least one location is
empty and available in the FIFO or THR. This pin goes to
a logic 1 when there are no more empty locations in the
FIFO or THR.
VCC
23,40,64
Pwr
Power supply input.
-CD A/B
29,8
I
Carrier Detect (active low) - These inputs are associated
with individual UART channels A through B. A logic 0 on this
pin indicates that a carrier has been detected by the modem
for that channel.
-CTS A/B
28,13
I
Clear to Send (active low) - These inputs are associated with
individual UART channels, A through B. A logic 0 on this
pin(s) indicates the modem or data set is ready to accept
transmit data from the 552/552A for the given channel.
Status can be tested by reading MSR bit-4 for that
channel(s). -CTS has no effect on the transmit or receive
operation.
SYMBOL DESCRIPTION
相關(guān)PDF資料
PDF描述
ST16C552A Dual UART with 16-Byte FIFO and Parallel Printer Port(雙通用異步接收器/發(fā)送器（帶16字節(jié)的先進(jìn)先出和并行打印機(jī)端口）)
ST16C554DCJ68 QUAD UART WITH 16-BYTE FIFOS
ST68C554 QUAD UART WITH 16-BYTE FIFOS
ST16C554DIJ68 Plug-In Relay; Contacts:DPDT; Contact Carry Current:15A; Coil Voltage AC Max:120V; Relay Mounting:Plug-In; Relay Terminals:Quick Connect; Coil Resistance:4430ohm RoHS Compliant: Yes
ST16C554DIQ64 QUAD UART WITH 16-BYTE FIFOS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ST16C552ACJ68 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述:
ST16C552ACJ68-F 功能描述:UART 接口集成電路 DUAL UART W/16BYTE FIFO&PARALELPRNTPORT 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
ST16C552ACJ68TR-F 功能描述:UART 接口集成電路 DUAL UART W/16BYTE FIFO&PARALELPRNTPORT 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
ST16C552AIJ68 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:DUAL UART WITH 16-BYTE FIFO AND PARALLEL PRINTER PORT
ST16C552AIJ68-F 功能描述:UART 接口集成電路 DUAL UART W/16BYTE FIFO&PARALELPRNTPORT 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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