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参数资料
| 型号： | XR17V354IB-0A-EVB |
| 厂商： | Exar Corporation |
| 文件页数： | 6/66页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR XR17V354-A 176BGA |
| 产品培训模块： | PCIe UARTs |
| 标准包装： | 1 |
| 主要目的： | 接口，UART |
| 嵌入式： | 否 |
| 已用 IC / 零件： | XR17V354 |
| 已供物品： | 板 |
| 其它名称： | 1016-1611 XR17V354IB-0A-EVB-ND |
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XR17V354
14
HIGH PERFORMANCE QUAD PCI-EXPRESS UART
REV. 1.0.3
Table 3 shows the Target Addresses available for programming into bits 7:0 of the 16-bit address word. All
other Target Addresses are reserved and must not be used.
TABLE 3: TARGET ADDRESS FOR EEPROM VALUES
TARGET ADDRESS
DATA
EXAR DEFAULT
0x00
Vendor ID
0x13A8
0x01
Device ID
0x0354 - No slave
0x4354 - XR17V354 slave present
0x8354 - XR17V358 slave present
0x02
Class Code [7:0]
lower 8-bits are reserved
0x0200
0x03
Class Code [23:8]
0x0700
0x04
Subsystem Vendor ID
0x0000
0x05
Subsystem ID
0x0000
The second 16-bit word of the address/data pair is the data. The default values are shown in Table 3. The
address/data pairs can be in any order. Only the contents which need to be changed from the Exar defaults
need to be included in the EEPROM.
1.3
Device Internal Register Sets
The Device Configuration Registers and the four individual UART Configuration Registers of the V354
occupy 4K 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 4 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.
All these registers can be accessed in 8, 16, 24 or 32 bits width depending on the starting address given by the
host at the beginning of the bus cycle. Transmit and receive data may be loaded or unloaded in 8, 16, 24 or 32
bits format in special locations given in the Table 4 below. Every time a read or write operation is made to the
transmit or receive register, its FIFO data pointer is automatically bumped to the next sequential data location
either in byte, word or DWORD. One special case applies to the receive data unloading when reading the
receive data together with its LSR register content. The host must read them in 16 or 32 bits format in order to
maintain integrity of the data byte with its associated error flags. These special registers are further discussed
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相关代理商/技术参数 |
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| XR17V354IB176-F | 功能描述:UART 接口集成电路 4 Channel PCIe UART w/256 Byte FIFO RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
| XR17V354IB-E4-EVB | 功能描述:界面开发工具 Eval Board for XR17V354IB-E4 RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V |
| XR17V354IB-E8-EVB | 功能描述:界面开发工具 Eval Board for XR17V354IB-E8 RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V |
| XR17V358 | 制造商:EXAR 制造商全称:EXAR 功能描述:HIGH PERFORMANCE OCTAL PCI EXPRESS UART |
| XR17V358IB-0A-EVB | 功能描述:界面开发工具 Eval Board for XR17V358IB-0A RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V |
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