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XR16M580IM48 PDF预览

XR16M580IM48

更新时间： 2024-11-09 07:07:23
品牌 Logo 应用领域
艾科嘉 - EXAR 先进先出芯片
页数 文件大小 规格书
56页 1125K
描述
1.62V TO 3.63V HIGH PERFORMANCE UART WITH 16-BYTE FIFO

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XR16M580IM48 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：QFP
包装说明：TFQFP, TQFP48,.35SQ针数：48
Reach Compliance Code：compliantHTS代码：8542.31.00.01
风险等级：5.84Base Number Matches：1

XR16M580IM48 数据手册

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XR16M580  
1.62V TO 3.63V HIGH PERFORMANCE UART WITH 16-BYTE FIFO  
SEPTEMBER 2008  
REV. 1.0.0  
FEATURES  
GENERAL DESCRIPTION  
•
Pin-to-pin compatible with XR16L580 in 32-QFN  
and 48-TQFP packages  
1
The XR16M580 (M580) is an enhanced Universal  
Asynchronous Receiver and Transmitter (UART) with  
16 bytes of transmit and receive FIFOs, selectable  
transmit and receive FIFO trigger levels, automatic  
hardware and software flow control, and data rates of  
up to 16 Mbps at 3.3V, 12.5 Mbps at 2.5V and 7.5  
Mbps at 1.8V with 4X data sampling rate.  
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Intel or Motorola Bus Interface select  
16Mbps maximum data rate  
Selectable TX/RX trigger levels  
TX/RX FIFO Level Counters  
The Auto RS-485 Half-Duplex Direction control  
feature simplifies both the hardware and software for  
half-duplex RS-485 applications. In addition, the  
Multidrop mode with Auto Address detection  
increases the performance by simplifying the  
software routines.  
Independent TX/RX Baud Rate Generator  
Fractional Baud Rate Generator  
Auto RTS/CTS Hardware Flow Control  
Auto XON/XOFF Software Flow Control  
Auto RS-485 Half-Duplex Direction Control  
Multidrop mode w/ Auto Address Detect  
Sleep Mode with Automatic Wake-up  
PowerSave mode  
The Independent TX/RX Baud Rate Generator  
feature allows the transmitter and receiver to operate  
at different baud rates. Power consumption of the  
M580 can be minimized by enabling the sleep mode  
and PowerSave mode.  
The M580 has a 16550 compatible register set that  
provide users with operating status and control,  
receiver error indications, and modem serial interface  
controls. An internal loopback capability allows  
onboard diagnostics. The M580 is available in 32-pin  
QFN, 48-pin TQFP and 25-pin BGA packages. All  
three packages offer both the 16 mode (Intel bus)  
interface and the 68 mode (Motorola bus) interface  
which allows easy integration with Motorola  
processors.  
Infrared (IrDA 1.0 and 1.1) mode  
1.62V to 3.63V supply operation  
Crystal oscillator or external clock input  
APPLICATIONS  
•
•
•
•
•
Personal Digital Assistants (PDA)  
Cellular Phones/Data Devices  
Battery-Operated Devices  
Global Positioning System (GPS)  
Bluetooth  
N
OTE: 1 Covered by U.S. Patent #5,649,122.  
F
IGURE 1. XR16M580 BLOCK DIAGRAM  
VCC  
(1.62 to 3.63 V)  
PwrSave  
A2:A0  
GND  
D7:D0  
IOR#  
UART  
TX, RX,  
IOW# (R/W#)  
CS#  
16 Byte TX FIFO  
UART  
Regs  
RTS#, CTS#,  
DTR#, DSR#,  
RI#, CD#  
TX &  
RX  
IR  
ENDEC  
INT (IRQ#)  
Intel or  
Motorola  
Data Bus  
Interface  
RESET  
(RESET#)  
16 Byte RX FIFO  
BRG  
16/68#  
XTAL1  
XTAL2  
Crystal Osc/Buffer  
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (510) 668-7000 • FAX (510) 668-7017 • www.exar.com  
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