參數(shù)資料
型號: XR16M580IL32-F
廠商: Exar Corporation
文件頁數(shù): 3/56頁
文件大?。?/td> 0K
描述: IC UART FIFO 16B 32QFN
標準包裝: 490
特點: *
通道數(shù): 1,UART
FIFO's: 16 字節(jié)
規(guī)程: RS232,RS422,RS485
電源電壓: 1.62 V ~ 3.63 V
帶自動流量控制功能:
帶IrDA 編碼器/解碼器:
帶故障啟動位檢測功能:
帶調制解調器控制功能:
帶CMOS:
安裝類型: 表面貼裝
封裝/外殼: 32-VFQFN 裸露焊盤
供應商設備封裝: 32-QFN 裸露焊盤(5x5)
包裝: 托盤
XR16M580
11
REV. 1.0.0
1.62V TO 3.63V HIGH PERFORMANCE UART WITH 16-BYTE FIFO
2.6
Crystal Oscillator or External Clock Input
The M580 includes an on-chip oscillator to produce a clock for the baud rate generators in the device when a
crystal is connected between XTAL1 and XTAL2 as show below. The CPU data bus does not require this clock
for bus operation. The crystal oscillator provides a system clock to the Baud Rate Generators (BRGs) in the
UART. XTAL1 is the input to the oscillator or external clock buffer input with XTAL2 pin being the output. For
The on-chip oscillator is designed to use an industry standard microprocessor crystal (parallel resonant,
fundamental frequency with 10-22 pF capacitance load, ESR of 20-120 ohms and 100ppm frequency
tolerance) connected externally between the XTAL1 and XTAL2 pins. Typical oscillator connections are shown
in Figure 7. Alternatively, an external clock can be connected to the XTAL1 pin to clock the internal baud rate
generator for standard or custom rates. The BGA package has XTAL1 only, the external clock is required. For
further reading on oscillator circuit, see application note DAN108 on EXAR’s web site.
FIGURE 7. TYPICAL CRYSTAL CONNECTIONS
C1
22-47pF
C2
22-47pF
Y1
1.8432 MHz
to
24 MHz
R1
0-120
(Optional)
R2
500K - 1M
XTAL1
XTAL2
相關PDF資料
PDF描述
XR16M670IL24-F IC UART FIFO 32B 24QFN
ST16C450CJ44TR-F IC UART SINGLE 44PLCC
XR16M780IB25-F IC UART FIFO 64B 25BGA
XR16M770IB25-F IC UART FIFO 64B 25BGA
XR19L400IL40TR-F IC UART/TXRX RS485 40QFN
相關代理商/技術參數(shù)
參數(shù)描述
XR16M580IM48 制造商:EXAR 制造商全稱:EXAR 功能描述:1.62V TO 3.63V HIGH PERFORMANCE UART WITH 16-BYTE FIFO
XR16M580IM48-0A-EB 功能描述:界面開發(fā)工具 Eval Board for XR16M580IM48 Series RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V
XR16M580IM48-0C-EB 功能描述:界面開發(fā)工具 Eval Board for XR16M580IM48 Series RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V
XR16M580IM48-F 功能描述:UART 接口集成電路 1.8 High Performance UART w/16 Byte FIFO RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
XR16M581 制造商:EXAR 制造商全稱:EXAR 功能描述:1.62V TO 3.63V UART WITH 16-BYTE FIFO AND VLIO INTERFACE