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XR16M554IL48 PDF预览

XR16M554IL48

更新时间: 2024-11-22 05:55:31
品牌 Logo 应用领域
艾科嘉 - EXAR 外围集成电路先进先出芯片数据传输通信时钟
页数 文件大小 规格书
46页 941K
描述
1.62V TO 3.63V QUAD UART WITH 16-BYTE FIFO

XR16M554IL48 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Transferred零件包装代码:QFN
包装说明:HVQCCN, LCC48,.27SQ,20针数:48
Reach Compliance Code:compliantHTS代码:8542.31.00.01
风险等级:5.84地址总线宽度:3
边界扫描:NO最大时钟频率:64 MHz
通信协议:ASYNC, BIT最大数据传输速率:0.5 MBps
外部数据总线宽度:8JESD-30 代码:S-XQCC-N48
长度:7 mm低功率模式:NO
湿度敏感等级:1串行 I/O 数:4
端子数量:48最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:UNSPECIFIED
封装代码:HVQCCN封装等效代码:LCC48,.27SQ,20
封装形状:SQUARE封装形式:CHIP CARRIER
峰值回流温度(摄氏度):225电源:1.8/3.3 V
认证状态:Not Qualified座面最大高度:1 mm
子类别:Serial IO/Communication Controllers最大供电电压:3.63 V
最小供电电压:1.62 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子形式:NO LEAD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:NOT SPECIFIED
宽度:7 mmuPs/uCs/外围集成电路类型:SERIAL IO/COMMUNICATION CONTROLLER, SERIAL
Base Number Matches:1

XR16M554IL48 数据手册

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XR16M554/554D  
1.62V TO 3.63V QUAD UART WITH 16-BYTE FIFO  
MAY 2008  
REV. 1.0.0  
FEATURES  
GENERAL DESCRIPTION  
Pin-to-pin compatible with ST16C454, ST16C554,  
TI’s TL16C554A and NXP’s SC16C554B  
The XR16M554 (M554) is  
a
quad Universal  
Asynchronous Receiver and Transmitter (UART) with  
16 bytes of transmit and receive FIFOs, selectable  
receive FIFO trigger levels and data rates of up to 4  
Mbps at 3.3 V. Each UART has a set of registers that  
provide the user with operating status and control,  
receiver error indications, and modem serial interface  
controls. An internal loopback capability allows  
onboard diagnostics. The M554 is available in a 48-  
pin QFN, 64-pin LQFP, 68-pin PLCC and 80-pin  
LQFP packages. The 64-pin and 80-pin packages  
only offer the 16 mode interface, but the 48- and 68-  
pin packages offer an additional 68 mode interface  
which allows easy integration with Motorola  
processors. The XR16M554IV (64-pin) offers three  
state interrupt output while the XR16M554DIV  
provides continuous interrupt output. The XR16M554  
is compatible with the industry standard ST16C554.  
Intel or Motorola Data Bus Interface select  
Four independent UART channels  
Register Set Compatible to 16C550  
Data rates of up to 4 Mbps at 3.3 V, 3.125  
Mbps at 2.5 V and 2 Mbps at 1.8 V  
16 byte Transmit FIFO  
16 byte Receive FIFO with error tags  
4 Selectable RX FIFO Trigger Levels  
Full modem interface  
1.62V to 3.63V supply operation  
Crystal oscillator or external clock input  
APPLICATIONS  
Portable Appliances  
Telecommunication Network Routers  
Ethernet Network Routers  
Cellular Data Devices  
Factory Automation and Process Controls  
F
IGURE 1. XR16M554 BLOCK  
D
IAGRAM  
1.62 V to 3.6 V VCC  
GND  
A2:A0  
D7:D0  
IOR#  
UART Channel A  
16 Byte TX FIFO  
UART  
Regs  
TXA, RXA, DTRA#,  
DSRA#, RTSA#, CTSA#,  
CDA#, RIA#  
IOW#  
CSA#  
CSB#  
TX & RX  
BRG  
16 Byte RX FIFO  
CSC#  
CSD#  
TXB, RXB, DTRB#,  
UART Channel B  
DSRB#, RTSB#, CTSB#,  
(same as Channel A)  
INTA  
Data Bus  
Interface  
CDB#, RIB#  
INTB  
INTC  
TXC, RXC, DTRC#,  
DSRC#, RTSC#, CTSC#,  
CDC#, RIC#  
UART Channel C  
(same as Channel A)  
INTD  
TXRDY#A-D  
RXRDY#A-D  
Reset  
TXD, RXD, DTRD#,  
DSRD#, RTSD#, CTSD#,  
CDD#, RID#  
UART Channel D  
(same as Channel A)  
16 68#  
/
XTAL1  
XTAL2  
Crystal Osc Buffer  
/
INTSEL  
554BLK  
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (510) 668-7000 FAX (510) 668-7017 www.exar.com  

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