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參數(shù)資料
| 型號： | XR17V352IB-0A-EVB |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 4/64頁 |
| 文件大?。?/td> | 0K |
| 描述： | EVAL BOARD FOR XR17V352 113BGA |
| 產(chǎn)品培訓(xùn)模塊： | PCIe UARTs |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 主要目的： | 接口，UART |
| 已用 IC / 零件： | XR17V352 |
| 已供物品： | 板 |
| 其它名稱： | 1016-1610 1016-1610-ND 1016-1645 XR17V352IB-0A-EVB-ND |
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XR17V352
12
HIGH PERFORMANCE DUAL PCI EXPRESS UART
REV. 1.0.3
NOTE: EWR=Read/Write from external EEPROM. RWR=Read/Write. RO= Read Only. RWC=Read/Write-Clear.
1.2
EEPROM Interface
The V352 provides an interface to an Electrically Erasable Programmable Read Only Memory (EEPROM). The
EEPROM must be a 93C46-like device, with its memory configured as 16-bit words. This interface is provided
in order to program the registers in the PCI Configuration Space of the PCI UART during power-up. The
EEPROM must be organized into address/data pairs. The first word of the pair is the address and the second
word is the data. Table 2 below shows the format of the 16-bit address:
TABLE 2: EEPROM ADDRESS BIT DEFINITIONS
BIT(S)
DEFINITION
15
Parity Bit - Odd parity over entire address/data pair
If there is a parity error, it will be reported in bit-3 of the REGB register in
the Device Configuration Registers (offset 0x08E).
14
Final Address
If 1, this will be the last data to be read.
If 0, there will be more data to be read after this.
13:8
Reserved - Bits must be ’0’
7:0
Target Address - See
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
0x0352
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.
0x104-
0x113
31:0
RO
Not implemented or not applicable (return zeros)
0x00000000
0x114
31:0
RO
VC Offset 0x4
0x8000000FF
TABLE 1: PCI LOCAL BUS CONFIGURATION SPACE REGISTERS
ADDRESS
OFFSET
BITS
TYPE
DESCRIPTION
RESET VALUE
(HEX OR BINARY)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XR17V352IB113-F | 功能描述:UART 接口集成電路 2 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 |
| XR17V354 | 制造商:EXAR 制造商全稱:EXAR 功能描述:HIGH PERFORMANCE QUAD PCI-EXPRESS UART |
| XR17V354IB-0A-EVB | 功能描述:界面開發(fā)工具 Eval Board for XR17V354IB-0A RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
| 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 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
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