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ST16C2550CQ48 PDF预览

ST16C2550CQ48

更新时间: 2024-01-10 16:56:33
品牌 Logo 应用领域
艾科嘉 - EXAR 微控制器和处理器串行IO控制器通信控制器外围集成电路先进先出芯片数据传输时钟
页数 文件大小 规格书
34页 443K
描述
DUAL UART WITH 16-BYTE TRANSMIT AND RECEIVE FIFO’S

ST16C2550CQ48 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:QFP, TQFP48,.35SQReach Compliance Code:compliant
风险等级:1.57JESD-30 代码:S-PQFP-G48
JESD-609代码:e3端子数量:48
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:QFP
封装等效代码:TQFP48,.35SQ封装形状:SQUARE
封装形式:FLATPACK电源:3.3/5 V
认证状态:Not Qualified子类别:Serial IO/Communication Controllers
表面贴装:YES技术:CMOS
温度等级:COMMERCIAL端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.5 mm
端子位置:QUADuPs/uCs/外围集成电路类型:SERIAL IO/COMMUNICATION CONTROLLER, SERIAL

ST16C2550CQ48 数据手册

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ST16C2550  
DUAL UART WITH 16-BYTE TRANSMIT  
AND RECEIVE FIFO’S  
DESCRIPTION  
The ST16C2550 (2550) is a dual universal asynchronous receiver and transmitter (UART). The ST16C2550 is  
an improved version of the NS16C550 UART with higher operating speed and lower access time. The 2550  
providesenhancedUARTfunctionswith16byteFIFO’s, amodemcontrolinterface, anddataratesupto1.5Mbps.  
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. Independent programmable baud rate generators are provided to  
select transmit and receive clock rates from 50 Bps to 1.5 Mbps. The Baud rate generator can be configured for  
either crystal or external clock input. The 2550 is available in a 40-pin plastic-DIP, 44-pin PLCC, and 48-pin TQFP  
packages. The 40 pin package does not offer TXRDY and RXRDY pins (DMA Signal monitoring). Otherwise the  
three package versions are the same. The 2550 is functionally compatible with the 16C2450. The 2550 is  
fabricated in an advanced CMOS process to achieve low drain power and high speed requirements.  
FEATURES  
PLCC Package  
Pin and functionally compatible to ST16C2450/  
Software compatible with INS8250, NS16C550  
1.5Mbps transmit/receive operation (24MHz  
Max.)  
16 byte transmit FIFO to reduce the bandwidth  
requirement of the external CPU.  
D5  
D6  
D7  
7
8
9
39 RESET  
38 -DTRB  
37 -DTRA  
36 -RTSA  
35 -OPA  
34 -RXRDYA  
33 INTA  
32 INTB  
31 A0  
16 byte receive FIFO with error flags to reduce the  
bandwidth requirement of the external CPU.  
Independent transmit and receive UART control  
Four selectable Receive FIFO interrupt trigger  
levels  
Modem control signals (-CTS, -RTS, -DSR, -DTR,  
-RI, -CD, and Software controllable line break)  
Programmable character lengths (5, 6, 7, 8) with  
Even, odd, or no parity  
RXB 10  
RXA 11  
ST16C2550CJ44  
-TXRDYB 12  
TXA 13  
TXB 14  
-OPB 15  
-CSA 16  
-CSB 17  
Status report register  
Crystal or external clock input  
30 A1  
29 A2  
460.8 Kbps transmit/receive operation with 7.3728  
MHz crystal or external clock source  
TTL compatible inputs, outputs  
ORDERING INFORMATION  
Partnumber  
Pins Package  
Operatingtemperature  
0° C to + 70° C  
0° C to + 70° C  
0° C to + 70° C  
Partnumber  
Pins Package  
Operatingtemperature  
-40° C to + 85° C  
-40° C to + 85° C  
-40° C to + 85° C  
ST16C2550CP40 40 PDIP  
ST16C2550CJ44 44 PLCC  
ST16C2550CQ48 48 TQFP  
ST16C2550IP40 40 PDIP  
ST16C2550IJ44 44 PLCC  
ST16C2550IQ48 48 TQFP  
Rev. 3.20  
EXAR Corporation, 48720 Kato Road, Fremont, CA 94538 (510) 668-7000 FAX (510) 668-7017  

ST16C2550CQ48 替代型号

型号 品牌 替代类型 描述 数据表
ST16C2550CQ48-F EXAR

功能相似

Serial I/O Controller, 2 Channel(s), 0.5MBps, CMOS, PQFP48, 7 X 7 MM, 1 MM HEIGHT, GREEN,
ST16C2550CJ44-F EXAR

功能相似

Serial I/O Controller, 2 Channel(s), 0.5MBps, CMOS, PQCC44, GREEN, PLASTIC, LCC-44
ST16C2550IQ48-F EXAR

功能相似

Up to 4 Mbps with external clock of 64 MHz

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ST16C2550IQ48 EXAR

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ST16C2550IQ48-F EXAR

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ST16C2550IQ48TR-F EXAR

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ST16C2552CJ EXAR

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2.97V TO 5.5V DUAL UART WITH 16-BYTE FIFO