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XR16M564DIV-0A-EVB

更新时间： 2024-11-05 22:57:43
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EVAL BRD FOR XR16M654D-A 64LQFP

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XR16M564/564D  
1.62V TO 3.63V QUAD UART WITH 32-BYTE FIFO  
MAY 2008  
REV. 1.0.0  
FEATURES  
GENERAL DESCRIPTION  
•
Pin-to-pin compatible with ST16C454, ST16C554,  
TI’s TL16C754B and NXP’s SC16C754B  
1
The XR16M564 (M564) is an enhanced quad  
Universal Asynchronous Receiver and Transmitter  
(UART) with 32 bytes of transmit and receive FIFOs,  
programmable transmit and receive FIFO trigger  
levels, automatic hardware and software flow control,  
and data rates of up to 16 Mbps at 4X sampling rate.  
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 M564 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 XR16M564IV (64-pin) offers three state interrupt  
output while the XR16M564DIV provides continuous  
interrupt output. The XR16M564 is compatible with  
the industry standard ST16C554 and ST16C654/  
654D.  
•
•
Intel or Motorola Data Bus Interface select  
Four independent UART channels  
■
■
■
■
■
■
■
■
■
■
Register Set Compatible to 16C550  
Data rates of up to 16 Mbps  
32 byte Transmit FIFO  
32 byte Receive FIFO with error tags  
4 Selectable TX and RX FIFO Trigger Levels  
Automatic Hardware (RTS/CTS) Flow Control  
Automatic Software (Xon/Xoff) Flow Control  
Programmable Xon/Xoff characters  
Wireless Infrared (IrDA 1.0) Encoder/Decoder  
Full modem interface  
•
•
•
1.62V to 3.63V supply operation  
Sleep Mode with automatic wake-up  
Crystal oscillator or external clock input  
NOTE: 1 Covered by U.S. Patent #5,649,122.  
APPLICATIONS  
•
•
•
•
•
Portable Appliances  
Telecommunication Network Routers  
Ethernet Network Routers  
Cellular Data Devices  
Factory Automation and Process Controls  
F
IGURE 1. XR16M564 BLOCK DIAGRAM  
1.62V to 3.6V VCC  
GND  
A2:A0  
D7:D0  
UART Channel A  
32 Byte TX FIFO  
IOR#  
IOW#  
CSA#  
CSB#  
UART  
Regs  
TXA, RXA, DTRA#,  
DSRA#, RTSA#, CTSA#,  
CDA#, RIA#  
IR  
TX & RX  
ENDEC  
BRG  
32 Byte RX FIFO  
CSC#  
CSD#  
TXB, RXB, DTRB#,  
DSRB#, RTSB#, CTSB#,  
CDB#, RIB#  
UART Channel B  
(same as Channel A)  
INTA  
INTB  
INTC  
Data Bus  
Interface  
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#  
INTSEL  
CLKSEL  
XTAL1  
XTAL2  
Crystal Osc/Buffer  
564 BLK  
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (510) 668-7000 • FAX (510) 668-7017 • www.exar.com  
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与XR16M564DIV-0A-EVB相关器件

型号 品牌 获取价格 描述 数据表
XR16M564DIV-0B-EVB EXAR

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 		EVAL BRD FOR XR16M654D-B 64LQFP
XR16M564DIV64 EXAR

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 		1.62V TO 3.63V QUAD UART WITH 32-BYTE FIFO
XR16M564DIV64-F EXAR

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 		IC UART FIFO 32B QUAD 64LQFP
XR16M564DIV64TR-F EXAR

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 		IC UART FIFO 32B QUAD 64LQFP
XR16M564IJ-0A-EVB EXAR

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 		EVAL BOARD FOR XR16M654-A 68PLCC
XR16M564IJ-0B-EVB ETC

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 		EVAL BOARD FOR XR16M654-B 68PLCC
XR16M564IJ68 EXAR

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 		1.62V TO 3.63V QUAD UART WITH 32-BYTE FIFO
XR16M564IJ68-F EXAR

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 		IC UART FIFO 32B QUAD 68PLCC
XR16M564IJ68TR-F EXAR

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 		IC UART FIFO 32B QUAD 68PLCC
XR16M564IL-0A-EVB ETC

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 		EVAL BOARD FOR XR16M564-A 48QFN

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