- 您现在的位置：买卖IC网 > PDF目录11832 > ST16C554CQ64-F (Exar Corporation)IC UART FIFO 16B QUAD 64LQFP PDF资料下载
参数资料
| 型号： | ST16C554CQ64-F |
| 厂商： | Exar Corporation |
| 文件页数： | 36/39页 |
| 文件大小： | 0K |
| 描述： | IC UART FIFO 16B QUAD 64LQFP |
| 标准包装： | 160 |
| 特点： | * |
| 通道数： | 4，QUART |
| FIFO's： | 16 字节 |
| 规程： | RS232 |
| 电源电压： | 2.97 V ~ 5.5 V |
| 带自动流量控制功能： | 是 |
| 带故障启动位检测功能： | 是 |
| 带调制解调器控制功能： | 是 |
| 带CMOS： | 是 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 64-LQFP |
| 供应商设备封装： | 64-LQFP（10x10） |
| 包装： | 托盘 |
| 其它名称： | 1016-1264 |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页当前第36页第37页第38页第39页
ST16C554/554D
6
2.97V TO 5.5V QUAD UART WITH 16-BYTE FIFO
REV. 4.0.1
1.0
PRODUCT DESCRIPTION
The ST16C554 (554) integrates the functions of 4 enhanced 16C550 Universal Asynchrounous Receiver and
Transmitter (UART). Each UART is independently controlled and has its own set of device configuration
registers. The configuration registers set is 16550 UART compatible for control, status and data transfer.
Additionally, each UART channel has 16 bytes of transmit and receive FIFOs, programmable baud rate
generator and data rate up to 1.5 Mbps at 5V. The ST16C554 can operate from 2.97 to 5.5 volts. The 554 is
fabricated with an advanced CMOS process.
Enhanced FIFO
The 554 QUART provides a solution that supports 16 bytes of transmit and receive FIFO memory, instead of
one byte in the ST16C454. The 554 is designed to work with high performance data communication systems,
that require fast data processing time. Increased performance is realized in the 554 by the larger transmit and
receive FIFOs and Receiver FIFO trigger level control. This allows the external processor to handle more
networking tasks within a given time. This increases the service interval giving the external CPU additional time
for other applications and reducing the overall UART interrupt servicing time.
Data Bus Interface, Intel or Motorola Type
The 554 provides a single host interface for all 4 UARTs and supports Intel or Motorola microprocessor (CPU)
data bus interface. The Intel bus compatible interface allows direct interconnect to Intel compatible type of
CPUs using IOR#, IOW# and CSA#, CSB#, CSC# and CSD# inputs for data bus operation. The Motorola bus
compatible interface instead uses the R/W#, CS#, A3 and A4 signals for data bus transactions. Few data bus
interface signals change their functions depending on user’s selection, see pin description for details. The Intel
and Motorola bus interface selection is made through the 16/68# (pin 31 of the PLCC package).
Data Rate
The 554 is capable of operation up to 1.5 Mbps at 5V. The device can operate at 5V with a crystal or external
clock of up to 24 MHz. With a typical crystal of 14.7456 MHz and through a software option, the user can set
the sampling rate for data rates of up to 921.6 Kbps.
Enhanced Features
The rich feature set of the 554 is available through the internal registers. Selectable receive FIFO trigger levels,
programmable baud rates, infrared encoder/decoder interface and modem interface controls are all standard
features. In the 16 mode INTSEL and MCR bit-3 can be configured to provide a software controlled or
continuous interrupt capability. For backward compatibility to the ST16C554, the 64-pin LQFP does not have
the INTSEL pin. Instead, two different LQFP packages are offered.
The ST16C554DIV operates in the
continuous interrupt enable mode by internally bonding INTSEL to VCC.
The ST16C554IV operates in
conjunction with MCR bit-3 by internally bonding INTSEL to GND.
相关PDF资料 |
PDF描述 |
|---|---|
| VE-26P-IY | CONVERTER MOD DC/DC 13.8V 50W |
| XR17D152CMTR-F | IC UART PCI BUS DUAL 100TQFP |
| VE-26J-IY | CONVERTER MOD DC/DC 36V 50W |
| MS27472E14B18P | CONN RCPT 18POS WALL MT W/PINS |
| VE-26F-IY | CONVERTER MOD DC/DC 72V 50W |
相关代理商/技术参数 |
参数描述 |
|---|---|
| ST16C554D | 制造商:EXAR 制造商全称:EXAR 功能描述:QUAD UART WITH 16-BYTE FIFOS |
| ST16C554DCJ | 制造商:Exar Corporation 功能描述: |
| ST16C554DCJ68 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: 制造商:Exar Corporation 功能描述:IC,UART,LDCC,68PIN,PLASTIC |
| ST16C554DCJ-68 | 制造商:Exar Corporation 功能描述:IC,UART,LDCC,68PIN,PLASTIC |
| ST16C554DCJ68-F | 功能描述:UART 接口集成电路 2.97V-5.5V 16B FIFO temp -45 to 85C;UART RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
发布紧急采购，3分钟左右您将得到回复。