參數(shù)資料
型號(hào): ST16C550IJ44-F
廠商: Exar Corporation
文件頁(yè)數(shù): 33/35頁(yè)
文件大?。?/td> 0K
描述: IC UART FIFO 16B SGL 44PLCC
標(biāo)準(zhǔn)包裝: 27
特點(diǎn): *
通道數(shù): 1,UART
FIFO's: 16 字節(jié)
電源電壓: 2.97 V ~ 5.5 V
帶故障啟動(dòng)位檢測(cè)功能:
帶調(diào)制解調(diào)器控制功能:
帶CMOS:
安裝類型: 表面貼裝
封裝/外殼: 44-LCC(J 形引線)
供應(yīng)商設(shè)備封裝: 44-PLCC(16.59x16.59)
包裝: 管件
其它名稱: 1016-1261
ST16C550
7
Rev. 5.01
Symbol
Pin
Signal
Pin Description
40
44
48
type
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(guān)PDF資料
PDF描述
ST16C450IQ48-F IC UART SINGLE 48TQFP
MAX7324AEG+T IC I/O EXPANDER I2C 8B 24QSOP
ATMEGA88-20MUR MCU AVR 8K FLASH 20MHZ 32QFN
XR16M570IL24-F IC UART FIFO 16B 24QFN
MAX7318AWG+ IC PORT EXPANDER 16BIT 24SOIC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ST16C550IJ44TR-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
ST16C550IP40 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(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
ST16C550IP40-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(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
ST16C550IQ48 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述:
ST16C550IQ48-F 功能描述:UART 接口集成電路 2.97V-5.5V 16B 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