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ST16C1451CP28 PDF预览

ST16C1451CP28

更新时间: 2024-11-06 22:50:07
品牌 Logo 应用领域
艾科嘉 - EXAR /
页数 文件大小 规格书
32页 335K
描述
2.97V TO 5.5V UART

ST16C1451CP28 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:DIP包装说明:DIP, DIP28,.6
针数:28Reach Compliance Code:unknown
HTS代码:8542.31.00.01风险等级:5.85
其他特性:IT ALSO OPERATES AT 3.3V地址总线宽度:3
边界扫描:NO最大时钟频率:24 MHz
通信协议:ASYNC, BIT数据编码/解码方法:NRZ
最大数据传输速率:0.1875 MBps外部数据总线宽度:8
JESD-30 代码:R-PDIP-T28JESD-609代码:e0
长度:37.4 mm低功率模式:YES
DMA 通道数量:I/O 线路数量:
串行 I/O 数:1端子数量:28
片上数据RAM宽度:最高工作温度:70 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP28,.6
封装形状:RECTANGULAR封装形式:IN-LINE
峰值回流温度(摄氏度):NOT SPECIFIED电源:3.3/5 V
认证状态:Not QualifiedRAM(字数):0
座面最大高度:6.35 mm子类别:Serial IO/Communication Controllers
最大压摆率:3 mA最大供电电压:5.5 V
最小供电电压:2.97 V标称供电电压:5 V
表面贴装:NO技术:CMOS
温度等级:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:15.24 mmuPs/uCs/外围集成电路类型:SERIAL IO/COMMUNICATION CONTROLLER, SERIAL
Base Number Matches:1

ST16C1451CP28 数据手册

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ST16C1450/51  
2.97V TO 5.5V UART  
REV. 4.2.0  
OCTOBER 2003  
FEATURES  
GENERAL DESCRIPTION  
Pin and functionally compatible to SSI 73M1550/  
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.  
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  
FIGURE 1. BLOCK DIAGRAM  
THR  
A2:A0  
D7:D0  
IOR#  
Transmitter  
TX  
DTR#, RTS#  
IOW#  
CS#  
UART  
Configuration  
Regs  
Modem Control Signals  
DSR#, CTS#,  
CD#, RI#  
Data Bus  
Interface  
RX  
Receiver  
RHR  
INT  
Baud Rate Generator  
Crystal Osc/Buffer  
RESET  
RST  
XTAL1/CLK  
XTAL2  
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (510) 668-7000 FAX (510) 668-7017 www.exar.com  

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