REV. 1.0.4 HIGH PERFORMANCE OCTAL PCI EXPRESS UART 1.3 Device Internal Register Sets The Device Configuration R" />
參數(shù)資料
型號: XR17V358IB-E4-EVB
廠商: Exar Corporation
文件頁數(shù): 7/68頁
文件大?。?/td> 0K
描述: EVAL BOARD FOR XR17V358-E4
產(chǎn)品培訓(xùn)模塊: PCIe UARTs
UART Product Overview
標(biāo)準(zhǔn)包裝: 1
主要目的: 接口,UART
嵌入式:
已用 IC / 零件: XR17V358
已供物品:
相關(guān)產(chǎn)品: 1016-1294-ND - IC UART PCIE OCTAL 176FPBGA
其它名稱: 1016-1295
XR17V358
15
REV. 1.0.4
HIGH PERFORMANCE OCTAL PCI EXPRESS UART
1.3
Device Internal Register Sets
The Device Configuration Registers and the eight individual UART Configuration Registers of the V358
occupy 8K of PCI bus memory address space. These addresses are offset onto the basic memory address, a
value loaded into the Memory Base Address Register (BAR) in the PCI local bus configuration register set. The
UART Configuration Registers are mapped into 8 address blocks where each UART channel occupies 1024
bytes memory space for its own registers that include the 16550 compatible registers. The Device
Configuration Registers are accessible from all UART channels. However, not all bits can be controlled by all
channels. The UART channel can only control the 8XMODE, 4XMODE, RESET and SLEEP register bits that
apply to that particular channel. For example, this prevents channel 0 from accidentally resetting channel 1.
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