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XR16C854CV PDF预览

XR16C854CV

更新时间: 2024-09-16 21:54:55
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
54页 649K
描述
2.97V TO 5.5V QUAD UART WITH 128-BYTE FIFO

XR16C854CV 技术参数

是否Rohs认证:不符合生命周期:Obsolete
零件包装代码:QFP包装说明:10 X 10 MM, 1.40 MM HEIGHT, TQFP-64
针数:64Reach Compliance Code:compliant
HTS代码:8542.31.00.01风险等级:5.74
Is Samacsys:N其他特性:ALSO OPERATES AT 2.97 V MINIMUM SUPPLY
地址总线宽度:3边界扫描:NO
最大时钟频率:32 MHz通信协议:ASYNC, BIT
数据编码/解码方法:NRZ最大数据传输速率:0.25 MBps
外部数据总线宽度:8JESD-30 代码:S-PQFP-G64
JESD-609代码:e0长度:10 mm
低功率模式:YES串行 I/O 数:4
端子数量:64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:LFQFP封装等效代码:QFP64,.47SQ,20
封装形状:SQUARE封装形式:FLATPACK, LOW PROFILE, FINE PITCH
峰值回流温度(摄氏度):240电源:3.3/5 V
认证状态:Not Qualified座面最大高度:1.6 mm
子类别:Serial IO/Communication Controllers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:YES技术:CMOS
温度等级:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:0.5 mm
端子位置:QUAD处于峰值回流温度下的最长时间:30
宽度:10 mmuPs/uCs/外围集成电路类型:SERIAL IO/COMMUNICATION CONTROLLER, SERIAL
Base Number Matches:1

XR16C854CV 数据手册

 浏览型号XR16C854CV的Datasheet PDF文件第2页浏览型号XR16C854CV的Datasheet PDF文件第3页浏览型号XR16C854CV的Datasheet PDF文件第4页浏览型号XR16C854CV的Datasheet PDF文件第5页浏览型号XR16C854CV的Datasheet PDF文件第6页浏览型号XR16C854CV的Datasheet PDF文件第7页 
áç  
XR16C854/854D  
2.97V TO 5.5V QUAD UART WITH 128-BYTE FIFO  
JANUARY 2004  
REV. 3.0  
FEATURES  
GENERAL DESCRIPTION  
Added feature in devices with top mark date code of  
"F2 YYWW" and newer:  
The XR16C854/854D1 (854) is an enhanced quad  
Universal Asynchronous Receiver and Transmitter  
(UART) each with 128 bytes of transmit and receive  
FIFOs, transmit and receive FIFO counters and  
trigger levels, automatic hardware and software flow  
control, and data rates of up to 2 Mbps. Each UART  
has a set of registers that provide the user with  
operating status and control, receiver error  
indications, and modem serial interface controls.  
System interrupts may be tailored to meet design  
requirements. An internal loopback capability allows  
onboard diagnostics. The 854 is available in 64-pin  
TQFP, 68-pin PLCC and 100-pin QFP packages.  
The 64-pin package only offers the 16 mode  
interface, but the 68 and 100 pin packages offer an  
additional 68 mode interface which allows easy  
5 volt tolerant inputs  
2.97 to 5.5 Volt Operation  
Pin-to-pin compatible with the industry standard  
ST16C554 and ST16C654 and TI’s TL16C554N  
and TL16C754BFN  
Intel or Motorola Data Bus Interface select  
Four independent UART channels  
Register Set Compatible to 16C550  
Data rates of up to 2 Mbps  
Transmit and Receive FIFOs of 128 bytes  
Programmable TX and RX FIFO Trigger Levels  
Transmit and Receive FIFO Level Counters  
Automatic Hardware (RTS/CTS) Flow Control  
Selectable Auto RTS Flow Control Hysteresis  
Automatic Software (Xon/Xoff) Flow Control  
Wireless Infrared (IrDA 1.0) Encoder/Decoder  
Sleep Mode (200 uA typical)  
integration with Motorola processors.  
The  
XR16C854CV (64 pin) offers three state interrupt  
outputs while the XR16C854DV provides continuous  
interrupt outputs. The 100 pin package provides  
additional FIFO status outputs (TXRDY# and  
RXRDY# A-D), separate infrared transmit data  
outputs (IRTX A-D) and channel C external clock  
input (CHCCLK). The XR16C854/854D is compatible  
with the industry standard ST16C554/554D and  
ST16C654/654D.  
Crystal oscillator or external clock input  
APPLICATIONS  
Portable Appliances  
NOTE: 1 Covered by U.S. Patent #5,649,122 and #5,949,787.  
Telecommunication Network Routers  
Ethernet Network Routers  
Cellular Data Devices  
Factory Automation and Process Controls  
FIGURE 1. XR16C854 BLOCK DIAGRAM  
2.97V to 5.5V VCC  
GND  
A2:A0  
D7:D0  
UART Channel A  
128 Byte TX FIFO  
IOR#  
IOW#  
UART  
TXA, RXA, IRTXA, DTRA#,  
DSRA#, RTSA#, CTSA#,  
CDA#, RIA#, OP2A#  
Regs  
IR  
ENDEC  
TX & RX  
CSA#  
CSB#  
CSC#  
CSD#  
BRG  
128 Byte RX FIFO  
TXB, RXB, IRTXB, DTRB#,  
DSRB#, RTSB#, CTSB#,  
CDB#, RIB#, OP2B#  
UART Channel B  
(same as Channel A)  
INTA  
INTB  
INTC  
Data Bus  
Interface  
TXC, RXC, IRTXC, DTRC#,  
DSRC#, RTSC#, CTSC#,  
CDC#, RIC#, OP2C#  
UART Channel C  
(same as Channel A)  
INTD  
CHCCLK  
TXRDY# A-D  
RXRDY# A-D  
TXD, RXD, IRTXD, DTRD#,  
DSRD#, RTSD#, CTSD#,  
CDD#, RID#, OP2D#  
UART Channel D  
(same as Channel A)  
Reset  
16/68#  
INTSEL  
XTAL1  
XTAL2  
Crystal Osc/Buffer  
854 BLK  
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (510) 668-7000 FAX (510) 668-7017 www.exar.com  

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