參數(shù)資料
型號(hào)： ST16C2550
廠商： Exar Corporation
英文描述： Dual UART with 16-Byte of Transmit and Receive FIFO(雙通用異步接收器/發(fā)送器（帶16字節(jié)接收和發(fā)送先進(jìn)先出）)
中文描述： 雙UART具有16的發(fā)送和接收FIFO（雙通用異步接收器/發(fā)送器（帶16字節(jié)接收和發(fā)送先進(jìn)先出字節(jié)））
文件頁(yè)數(shù)： 7/34頁(yè)
文件大?。?/td> 314K
代理商： ST16C2550
ST16C2550
7
Rev. 3.40
SYMBOL DESCRIPTION
Symbol
Pin
44
Signal
type
Pin Description
40
48
-RI A-B
39,23
43,26
41,21
I
Ring Indicator (active low) - These inputs are associated with
individual UART channels, A through B. 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 A-B
32,24
36,27
33,22
O
Request to Send (active low) - These outputs are associated
with individual UART channels, A through B. 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 A-B
10,9
11,10
5,4
I
Receive Data (A-B) - These inputs are associated with
individual serial channel data to the 2550 receive input
circuits, A-B. The RX signal will be a logic 1 during reset, idle
(no data), or when the transmitter is disabled. During the
local loop-back mode, the RX input pin is disabled and TX
data is connected to the UART RX Input, internally.
TX A-B
11,12
13,14
7,8
O
Transmit Data (A-B) - These outputs are associated with
individual serial transmit channel data from the 2550. The
TX signal will be a logic 1 during reset, idle (no data), or when
the transmitter is disabled. During the local loop-back
mode, the TX output pin is disabled and TX data is internally
connected to the UART RX Input.
相關(guān)PDF資料
PDF描述
ST16C2552 Dual UART with 16-Byte Transmit and Receive FIFO(雙通用異步接收器/發(fā)送器（帶16字節(jié)接收和發(fā)送先進(jìn)先出）)
ST16C450 UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER (UART)
ST16C450CJ44 UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER (UART)
ST16C450CP40 UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER (UART)
ST16C450CQ48 UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER (UART)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ST16C2550_04 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:2.97V TO 5.5V DUART WITH 16-BYTE FIFO
ST16C2550CJ-0A-EB 功能描述:界面開(kāi)發(fā)工具 Supports C2550 44 ld PLCC, ISA Interface RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類(lèi)型:RS-485 工具用于評(píng)估:ADM3485E 接口類(lèi)型:RS-485 工作電源電壓:3.3 V
ST16C2550CJ44 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:2.97V TO 5.5V DUART WITH 16-BYTE FIFO
ST16C2550CJ44-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(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
ST16C2550CJ44TR-F 功能描述:UART 接口集成電路 DUAL UART W/16BYTE 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
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