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參數(shù)資料
| 型號(hào)： | ST16C1450 |
| 廠商： | Exar Corporation |
| 英文描述： | 2.97V TO 5.5V UART |
| 中文描述： | 2.97V至5.5V的UART |
| 文件頁數(shù)： | 1/32頁 |
| 文件大?。?/td> | 355K |
| 代理商： | ST16C1450 |
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Exar
Corporation 48720 Kato Road, Fremont CA, 94538
(510) 668-7000
FAX (510) 668-7017
www.exar.com
á
ST16C1450/51
2.97V TO 5.5V UART
OCTOBER 2003
GENERAL DESCRIPTION
REV. 4.2.0
The ST16C1450, ST16C1451 series (here on
denoted as the 145X) is a universal asynchronous
receiver and transmitter (UART). The 145X is foot
print compatible to the SSI 73M1550 and SSI
73M2550 UART with one byte FIFO and higher
operating speed and lower access time. The 145X
provides enhanced UART functions with a modem
control interface, independent programmable baud
rate generators with clock rates to 1.5 Mbps. Onboard
status registers provide the user with error indications
and operational status. System interrupts and modem
control features may be tailored by external software
to meet specific user requirements. An internal loop-
back capability allows onboard diagnostics. The 145X
is available in a 28-pin PLCC/plastic-DIP 48-pin
TQFP packages. The Baud rate generator can be
configured for either crystal or external clock input
with the exception of the 28 pin 1451 package. An
external clock must be provided for the 28 pin 1451
package. Each package type, with the exception of
the 28 pin 1450, provides a buffered reset output that
can be controlled through user software. The 145X is
fabricated in an advanced CMOS process to achieve
low drain power and high speed requirements. The
ST16C145X is not compatible with the industry
standard 16450 and will not work with the standard
serial port driver in MS Windows (see pages 15-16 for
details). For a MS Windows compatible UART, see
the ST16C450.
FEATURES
Pin and functionally compatible to SSI 73M1550/
2550
1 byte Transmit FIFO (THR)
1 byte Receive FIFO with error tags (RHR)
Four levels of prioritized interrupts
Modem Control Signals (CTS#, RTS#, DSR#,
DTR#, RI#, CD#)
Programmable character lengths (5, 6, 7, 8) with
even, odd or no parity
Crystal or external clock input (except 28 pin
ST16C1451, external clock only)
1.5 Mbps Transmit/Receive operation (24 MHz)
with programmable clock control
Power Down Mode (50 uA at 3.3 V, 200 uA at 5 V)
Software controllable reset output
2.97 to 5.5 Volt operation
APPLICATIONS
Battery Operated Electronics
Internet Appliances
Handheld Terminal
Personal Digital Assistants
Cellular Phones DataPort
F
IGURE
1. B
LOCK
D
IAGRAM
XTAL1/CLK
XTAL2
Crystal Osc/Buffer
DTR#, RTS#
DSR#, CTS#,
CD#, RI#
Data Bus
Interface
THR
Baud Rate Generator
Transmitter
UART
Configuration
Regs
IOR#
RHR
Receiver
Modem Control Signals
TX
RX
INT
A2:A0
D7:D0
CS#
IOW#
RESET
RST
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ST16C1450CJ28 | 2.97V TO 5.5V UART |
| ST16C1450CP28 | 2.97V TO 5.5V UART |
| ST16C1450CQ48 | 2.97V TO 5.5V UART |
| ST16C1450IJ28 | 2.97V TO 5.5V UART |
| ST16C1450IP28 | 2.97V TO 5.5V UART |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ST16C1450_05 | 制造商:EXAR 制造商全稱:EXAR 功能描述:2.97V TO 5.5V UART |
| ST16C1450CJ28 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| ST16C1450CJ28-F | 功能描述:IC UART FIFO 1B 28PLCC RoHS:是 類別:集成電路 (IC) >> 接口 - UART（通用異步接收器/發(fā)送器） 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 特點(diǎn):* 通道數(shù):2，DUART FIFO's:16 字節(jié) 規(guī)程:RS232，RS485 電源電壓:2.25 V ~ 5.5 V 帶并行端口:- 帶自動(dòng)流量控制功能:是 帶IrDA 編碼器/解碼器:是 帶故障啟動(dòng)位檢測功能:是 帶調(diào)制解調(diào)器控制功能:是 帶CMOS:是 安裝類型:表面貼裝 封裝/外殼:48-TQFP 供應(yīng)商設(shè)備封裝:48-TQFP（7x7） 包裝:托盤 其它名稱:XR16L2551IM-F-ND |
| ST16C1450CJ28TR-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 |
| ST16C1450CP28 | 制造商:EXAR 制造商全稱:EXAR 功能描述:2.97V TO 5.5V UART |
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