參數資料
型號： ST16C550CP40
廠商： STARTECH SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： Voltage Regulator IC; Output Current:350mA; Output Voltage:1.8V; Package/Case:8-TSSOP; Supply Voltage Max:6V; Current Rating:350mA; Leaded Process Compatible:No; Output Current Max:350mA; Output Voltage Max:1.8V
中文描述： 1 CHANNEL(S), 448K bps, SERIAL COMM CONTROLLER, PDIP40
文件頁數： 7/35頁
文件大?。?/td> 227K
代理商： ST16C550CP40
ST16C550
7
Rev. 4.30
Symbol
Pin
44
Signal
type
Pin Description
40
48
SYMBOL DESCRIPTION
-CTS
36
40
38
I
Clear to Send (active low) - A logic 0 on the -CTS pin indicates
the modem or data set is ready to accept transmit data from
the ST16C550. Status can be tested by reading MSR bit-4.
This pin has no effect on the UART’s transmit or receive
operation.
-DSR
37
41
39
I
Data Set Ready (active low) - A logic 0 on this pin indicates
the modem or data set is powered-on and is ready for data
exchange with the UART. This pin has no effect on the
UART’s transmit or receive operation.
-DTR
33
37
33
O
Data Terminal Ready (active low) - A logic 0 on this pin
indicates that the ST16C550 is powered-on and ready. This
pin can be controlled via the modem control register.
Writing a logic 1 to MCR bit-0 will set the -DTR output to
logic 0, enabling the modem. This pin will be a logic 1 after
writing a logic 0 to MCR bit-0, or after a reset. This pin has
no effect on the UART’s transmit or receive operation.
-RI
39
43
41
I
Ring Indicator (active low) - A logic 0 on this pin indicates the
modem has received a ringing signal from the telephone
line. A logic 1 transition on this input pin will generate an
interrupt.
-RTS
32
36
32
O
Request to Send (active low) - A logic 0 on the -RTS pin
indicates the transmitter has data ready and waiting to send.
Writing a logic 1 in the modem control register (MCR bit-1)
will set this pin to a logic 0 indicating data is available. After
a reset this pin will be set to a logic 1. This pin has no effect
on the UART’s transmit or receive operation.
RX
10
11
7
I
Receive Data - This pin provides the serial receive data
input to the ST16C550. A logic 1 indicates no data or an idle
channel. During the local loop-back mode, the RX input pin is
disabled and TX data is internally connected to the UART RX
Input, internally, see figure 12.
TX
11
13
8
O
Transmit Data - This pin provides the serial transmit data
from the ST16C550, the TX signal will be a logic 1 during
reset, idle (no data). During the local loop-back mode, the
TX pin is set to a logic 1 and TX data is internally connected
to the UART RX Input, see figure 12.
相關PDF資料
PDF描述
ST16C550IP40 UART WITH 16-BYTE FIFO’s
ST16C552AIJ68 DUAL UART WITH 16-BYTE FIFO AND PARALLEL PRINTER PORT
ST16C552IJ68 DUAL UART WITH 16-BYTE FIFO AND PARALLEL PRINTER PORT
ST16C552CJ68 Voltage Regulator IC; Package/Case:8-TSSOP; Output Current:350mA; Output Voltage:2.5V; Supply Voltage Max:6V; Current Rating:350mA; Leaded Process Compatible:No; Output Current Max:350mA; Output Voltage Max:2.5V RoHS Compliant: No
ST16C552ACJ68 DUAL UART WITH 16-BYTE FIFO AND PARALLEL PRINTER PORT
相關代理商/技術參數
參數描述
ST16C550CP40-F 功能描述:UART 接口集成電路 SINGLE UART W/16 BYTE FIFO RoHS:否 制造商:Texas Instruments 通道數量:2 數據速率: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
ST16C550CP40-F 制造商:Exar Corporation 功能描述:IC UART INTERFACE 1.5Mbps 5.5V DIP-40
ST16C550CQ-0A-EVB 功能描述:界面開發(fā)工具 Supports C550 48 ld TQFP, ISA Interface RoHS:否 制造商:Bourns 產品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V
ST16C550CQ48 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述:
ST16C550CQ48-F 功能描述:UART 接口集成電路 2.97V-5.5V 16B FIFO temp 0C to 70C; UART RoHS:否 制造商:Texas Instruments 通道數量:2 數據速率: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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