REV. 1.0.3 HIGH PERFORMANCE QUAD PCI-EXPRESS UART MPIOINT [15:0] (default 0x00) The MPIOINT register enables the multipurpose input" />
參數(shù)資料
型號: XR17V354IB176-F
廠商: Exar Corporation
文件頁數(shù): 20/66頁
文件大?。?/td> 0K
描述: IC UART PCIE 256B QUAD 176FPBGA
產(chǎn)品培訓(xùn)模塊: PCIe UARTs
標(biāo)準(zhǔn)包裝: 160
特點: *
通道數(shù): 4,QUART
FIFO's: 256 字節(jié)
規(guī)程: RS485
電源電壓: 3.3V
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(diào)制解調(diào)器控制功能:
安裝類型: 表面貼裝
封裝/外殼: 176-LFBGA
供應(yīng)商設(shè)備封裝: 176-FPBGA(13x13)
包裝: 托盤
其它名稱: 1016-1472
XR17V354IB176-F-ND
XR17V354
27
REV. 1.0.3
HIGH PERFORMANCE QUAD PCI-EXPRESS UART
MPIOINT [15:0] (default 0x00)
The MPIOINT register enables the multipurpose input pin interrupt. If an MPIO pin is selected by MPIOSEL as
an input, then it can be selected to generate an interrupt. MPIOINT bit[0] enables input pin MPIO0 for interrupt,
and bit [7] enables input pin 7. No interrupt is enable if the pin is selected to be an output. The interrupt is edge
sensing and determined by MPIOINV and MPIOLVL registers. The MPIO interrupt clears after a read to
register MPIOLVL. The combination of MPIOLVL and MPIOINV determines the interrupt being active LOW or
active HIGH. Logic 0 (default) disables the pin’s interrupt and logic 1 enables it.
MPIO6
MPIO7
MPIO5 MPIO4 MPIO3 MPIO2 MPIO1 MPIO0
MPIOINT Register
Multipurpose Input/Output Interrupt Enable
Bit-7 Bit-6 Bit-5 Bit-4 Bit-3 Bit-2 Bit-1 Bit-0
MPIOLVL [15:0] (default 0x00)
The MPIOLVL register controls the output pins and provides the input level status for the input pins. The status
of the input pin(s) is read on this register and output pins are controlled on this register. A logic 0 (default) sets
the output to LOW and a logic 1 sets the output pin to HIGH. The MPIO interrupt will clear upon reading this
register.
MPIO6
MPIO7
MPIO5 MPIO4 MPIO3 MPIO2 MPIO1 MPIO0
MPIOLVL Register
Multipurpose Output Level Control
Bit-7 Bit-6 Bit-5 Bit-4 Bit-3 Bit-2 Bit-1 Bit-0
MPIO3T [15:0] (default 0x00)
The MPIO outputs can be tri-stated by the MPIO3T register. A logic 0 (default) sets the output to active level
per register MPIOBIT settling, a logic 1 sets the output pin to tri-state.
MPIO6
MPIO7
MPIO5 MPIO4 MPIO3 MPIO2 MPIO1 MPIO0
MPIO3T Register
Multipurpose Output 3-state Enable
Bit-7 Bit-6 Bit-5 Bit-4 Bit-3 Bit-2 Bit-1 Bit-0
MPIOINV [15:0] (default 0x00)
The MPIO inputs can be inverted by the MPIOINV register. A logic 0 (default) does not invert the input pin logic.
A logic 1 inverts the input logic level.
MPIO6
MPIO7
MPIO5 MPIO4 MPIO3 MPIO2 MPIO1 MPIO0
MPIOINV Register
Multipurpose Input Signal Inversion Enable
Bit-7 Bit-6 Bit-5 Bit-4 Bit-3 Bit-2 Bit-1 Bit-0
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