REV. 1.0.3 HIGH PERFORMANCE QUAD PCI-EXPRESS UART 1.4.8 Multi-Purpose Inputs and Outputs The V354 provides 16 multi-purpose inputs/" />
參數(shù)資料
型號(hào)： XR17V354IB-0A-EVB
廠商： Exar Corporation
文件頁數(shù)： 18/66頁
文件大?。?/td> 0K
描述： EVAL BOARD FOR XR17V354-A 176BGA
產(chǎn)品培訓(xùn)模塊： PCIe UARTs
標(biāo)準(zhǔn)包裝： 1
主要目的： 接口，UART
嵌入式： 否
已用 IC / 零件： XR17V354
已供物品： 板
其它名稱： 1016-1611
XR17V354IB-0A-EVB-ND
XR17V354
25
REV. 1.0.3
HIGH PERFORMANCE QUAD PCI-EXPRESS UART
1.4.8
Multi-Purpose Inputs and Outputs
The V354 provides 16 multi-purpose inputs/outputs MPIO[15:0] for general use. Each pin can be programmed
to be an input or output function. The input logic state can be set for normal or inverted level, and optionally set
to generate an interrupt. The outputs can be set to be normal HIGH or LOW state, 3-state, or open drain. Their
functions and definitions are programmed through 6 registers: MPIOINT, MPIOLVL, MPIO3T, MPIOINV,
MPIOSEL, and MPIOOD. If all 16 pins are set for inputs, all 16 interrupts would be ORed together. The ORed
interrupt is reported in the channel 0 UART interrupt status, see Interrupt Status Register. The pins may also be
programmed to be outputs and to the 3-state condition for signal sharing. The MPIO[0] pin can be programmed
to show the Timer output. When it is programmed to be the Timer output, all the above 5 registers lose control
over the MPIO[0] pin. For details on Timer output, please see “Section 1.4.2, General Purpose 16-bit Timer/
1.4.9
MPIO REGISTERS
REGB[18](Read/Write
Logic 0 (default) - Global interrupt enable. Interrupts to PCI host are enabled.
Logic 1 - Global interrupt disable. Interrupts to PCI host are disabled.
REGB[19](Read-Only)
Logic 0 - EEPROM load is valid.
Logic 1 - EEPROM load error caused by one of the following conditions: EEPROM not
attached, final bit not found, parity error detected.
REGB[20] (Write-Only)
Control the EECK, clock, output on the EEPROM interface.
REGB[21] (Write-Only)
Control the EECS, chips select, output to the EEPROM device.
REGB[22] (Write-Only)
EEDI data input. Write data to the EEPROM device.
REGB[23] (Read-Only)
EEDO data output. Read data from the EEPROM device.
1.4.7
REGB Register
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XR17V354IB176-F 功能描述:UART 接口集成電路 4 Channel PCIe UART w/256 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
XR17V354IB-E4-EVB 功能描述:界面開發(fā)工具 Eval Board for XR17V354IB-E4 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
XR17V354IB-E8-EVB 功能描述:界面開發(fā)工具 Eval Board for XR17V354IB-E8 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
XR17V358 制造商:EXAR 制造商全稱:EXAR 功能描述:HIGH PERFORMANCE OCTAL PCI EXPRESS UART
XR17V358IB-0A-EVB 功能描述:界面開發(fā)工具 Eval Board for XR17V358IB-0A 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
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