收藏本站
参数资料
型号： XR17D158IV-F
厂商： Exar Corporation
文件页数： 69/73页
文件大小： 0K
描述： IC UART PCI BUS OCTAL 144LQFP
产品培训模块： UART Product Overview
标准包装： 60
特点： *
通道数： 8
FIFO's： 64 字节
规程： RS485
电源电压： 3.3V，5V
带自动流量控制功能： 是
带IrDA 编码器/解码器： 是
带故障启动位检测功能： 是
带调制解调器控制功能： 是
安装类型： 表面贴装
封装/外壳： 144-LQFP
供应商设备封装： 144-LQFP（20x20）
包装： 托盘
其它名称： 1016-1292
xr
XR17D158
REV. 1.2.2
5V PCI BUS OCTAL UART
I
TABLE OF CONTENTS
GENERAL DESCRIPTION................................................................................................. 1
APPLICATIONS ............................................................................................................................................... 1
FEATURES ..................................................................................................................................................... 1
FIGURE 1. BLOCK DIAGRAM ............................................................................................................................................................. 1
FIGURE 2. PIN OUT OF THE DEVICE.................................................................................................................................................. 2
ORDERING INFORMATION
................................................................................................................................2
PIN DESCRIPTIONS .......................................................................................................... 3
FUNCTIONAL DESCRIPTION ........................................................................................... 8
PCI Local Bus Interface............................................................................................................................................... 8
PCI Local Bus Configuration Space Registers ............................................................................................................ 8
EEPROM Interface...................................................................................................................................................... 8
1.0 APPLICATION EXAMPLES .................................................................................................................. 9
TABLE 1: VALID COMBINATIONS OF VCC AND VIO SUPPLY VOLTAGES .............................................................................................. 9
FIGURE 3. TYPICAL APPLICATION FOR A UNIVERSAL ADD-IN CARD .................................................................................................... 9
FIGURE 4. TYPICAL APPLICATIONS IN AN EMBEDDED SYSTEM.......................................................................................................... 10
2.0 XR17D158 REGISTERS ...................................................................................................................... 11
FIGURE 5. THE XR17D158 REGISTER SETS .................................................................................................................................. 11
2.1 PCI LOCAL BUS CONFIGURATION SPACE REGISTERS .......................................................................... 11
TABLE 2: PCI LOCAL BUS CONFIGURATION SPACE REGISTERS ....................................................................................................... 12
2.2 DEVICE CONFIGURATION REGISTER SET ................................................................................................ 13
TABLE 3: XR17D158 DEVICE CONFIGURATION REGISTERS............................................................................................................. 14
TABLE 4: DEVICE CONFIGURATION REGISTERS SHOWN IN BYTE ALIGNMENT ................................................................................... 17
TABLE 5: DEVICE CONFIGURATION REGISTERS SHOWN IN DWORD ALIGNMENT .............................................................................. 17
2.2.1 THE INTERRUPT STATUS REGISTER ..................................................................................................................... 18
FIGURE 6. THE GLOBAL INTERRUPT REGISTER, INT0, INT1, INT2 AND INT3 .................................................................................. 19
TABLE 6: UART CHANNEL [7:0] INTERRUPT SOURCE ENCODING..................................................................................................... 19
TABLE 7: UART CHANNEL [7:0] INTERRUPT CLEARING: .................................................................................................................. 19
2.2.2 GENERAL PURPOSE 16-BIT TIMER/COUNTER [TIMERMSB, TIMELSB, TIMER, TIMECNTL] (DEFAULT 0XXX-XX-
00-00) ............................................................................................................................................................................. 20
FIGURE 7. TIMER/COUNTER CIRCUIT............................................................................................................................................... 20
TABLE 8: TIMER CONTROL REGISTERS ...................................................................................................................................... 20
2.2.3 8XMODE [7:0] (DEFAULT 0X00)................................................................................................................................ 21
2.2.4 REGA [15:8] RESERVED ........................................................................................................................................... 21
2.2.5 RESET [23:16] (DEFAULT 0X00)............................................................................................................................... 21
2.2.6 SLEEP [31:24] (DEFAULT 0X00) ............................................................................................................................... 22
2.2.7 DEVICE IDENTIFICATION AND REVISION............................................................................................................... 22
2.2.8 REGB REGISTER ....................................................................................................................................................... 23
2.2.9 MULTI-PURPOSE INPUTS AND OUTPUTS .............................................................................................................. 23
2.2.10 MPIO REGISTER ...................................................................................................................................................... 23
FIGURE 8. MULTIPURPOSE INPUT/OUTPUT INTERNAL CIRCUIT........................................................................................................... 24
3.0 CRYSTAL OSCILLATOR / BUFFER ................................................................................................... 26
FIGURE 9. TYPICAL OSCILLATOR CONNECTIONS............................................................................................................................... 26
FIGURE 10. EXTERNAL CLOCK CONNECTION FOR EXTENDED DATA RATE........................................................................................ 26
4.0 TRANSMIT AND RECEIVE DATA ...................................................................................................... 27
4.1 FIFO DATA LOADING AND UNLOADING THROUGH THE DEVICE CONFIGURATION REGISTERS IN 32-BIT
FORMAT. ....................................................................................................................................................... 27
4.1.1 NORMAL RX FIFO DATA UNLOADING AT LOCATIONS 0X100, 0X300, 0X500, 0X700....................................... 27
4.1.2 SPECIAL RX FIFO DATA UNLOADING AT LOCATIONS 0X180, 0X380, 0X580, AND 0X780 .............................. 28
4.1.3 TX FIFO DATA LOADING AT LOCATIONS 0X100, 0X300, 0X500, 0X700, 0X900, 0XB00, 0XD00, 0XF00 .......... 28
4.2 FIFO DATA LOADING AND UNLOADING THROUGH THE UART CHANNEL REGISTERS, THR AND RHR IN
8-BIT FORMAT. ............................................................................................................................................. 29
TABLE 9: TRANSMIT AND RECEIVE DATA REGISTER IN BYTE FORMAT, 16C550 COMPATIBLE ............................................................ 29
5.0 UART .................................................................................................................................................... 30
5.1 PROGRAMMABLE BAUD RATE GENERATOR ........................................................................................... 30
FIGURE 11. BAUD RATE GENERATOR ............................................................................................................................................. 30
TABLE 10: TYPICAL DATA RATES WITH A 14.7456 MHZ CRYSTAL OR EXTERNAL CLOCK AT 16X SAMPLING........................................ 31
5.2 TRANSMITTER ............................................................................................................................................... 31
5.2.1 TRANSMIT HOLDING REGISTER (THR) - WRITE-ONLY......................................................................................... 31
5.2.2 TRANSMITTER OPERATION IN NON-FIFO MODE .................................................................................................. 31
FIGURE 12. TRANSMITTER OPERATION IN NON-FIFO MODE ............................................................................................................ 32
相关PDF资料
PDF描述
XR17V252IM IC UART PCI BUS DUAL 100TQFP
XR17V254IV-F IC UART PCI BUS QUAD 144LQFP
XR17V258IV-F IC UART PCI BUS OCTAL 144LQFP
XR17V352IB113-F IC UART PCIE 256B DUAL 113FPBGA
XR17V354IB176-F IC UART PCIE 256B QUAD 176FPBGA
相关代理商/技术参数
参数描述
XR17D158IVTR-F 制造商:Exar Corporation 功能描述:UART 8-CH 64Byte FIFO 5V 144-Pin LQFP T/R 制造商:Exar Corporation 功能描述:XR17D158IVTR-F
XR17L152 制造商:EXAR 制造商全称:EXAR 功能描述:3.3V PCI BUS DUAL UART
XR17L152CM 制造商:EXAR 制造商全称:EXAR 功能描述:3.3V PCI BUS DUAL UART
XR17L152IM 制造商:EXAR 制造商全称:EXAR 功能描述:3.3V PCI BUS DUAL UART
XR17L154 制造商:EXAR 制造商全称:EXAR 功能描述:3.3V PCI BUS QUAD UART
发布紧急采购，3分钟左右您将得到回复。

采购需求

(若只采购一条型号，填写一行即可)

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

*型号 *数量 厂商 批号 封装
添加更多采购

我的联系方式

*
*
*