參數(shù)資料
型號(hào): XR17D152
廠商: Exar Corporation
英文描述: UNIVERSAL (3.3V AND 5V) PCI BUS DUAL UART
中文描述: 通用(3.3V和5V)PCI總線的雙UART
文件頁數(shù): 7/68頁
文件大?。?/td> 772K
代理商: XR17D152
á
REV. 1.2.0
XR17D152
UNIVERSAL (3.3V AND 5V) PCI BUS DUAL UART
7
1.0
APPLICATION EXAMPLES
The XR17D152 is designed to operate with VCC (voltage to the UART Core Logic) greater than or equal to
VIO. For a universal add-in card, it is usually unknown whether it will be plugged into a 3.3V or 5V PCI slot,
therefore VCC must be 5V to guarantee proper functionality in any PCI slot as shown in
Figure 3
. In an
embedded system, the designer can choose to use a 3.3V or 5V power supply for the UART core voltage. Of
course, the core voltage can be 3.3V only when the VIO is 3.3V. In
Figure 4
, examples 1-3 show valid
applications of the XR17D152 in an embedded system.
F
IGURE
3. T
YPICAL
A
PPLICATION
FOR
A
U
NIVERSAL
A
DD
-
IN
C
ARD
PCI
Local
Bus
Interface
UART Channel 1
UART Channel 0
UART Core Logic
VCC = 5V
VIO
(3.3V or 5V)
CLK
(up to 33.34MHz)
Max Crystal Frequency = 24MHz
Max External Clock = 50MHz
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XR17D152CM 制造商:EXAR 制造商全稱:EXAR 功能描述:UNIVERSAL (3.3V AND 5V) PCI BUS DUAL UART
XR17D152CM-0A-EVB 功能描述:界面開發(fā)工具 Supports D152 100 ld TQFP, PCI Interface RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評(píng)估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V
XR17D152CM-F 功能描述:UART 接口集成電路 3.3V-5V 64B FIFO temp 0C to 70C; UART 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
XR17D152CMTR-F 功能描述:UART 接口集成電路 UART 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
XR17D152IM 制造商:EXAR 制造商全稱:EXAR 功能描述:UNIVERSAL (3.3V AND 5V) PCI BUS DUAL UART