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參數(shù)資料
| 型號(hào)： | XR21V1410IL16-F |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 27/30頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC UART FIFO USB SGL 16QFN |
| 產(chǎn)品培訓(xùn)模塊： | UART Product Overview XR21V141x Full-Speed USB UART Family |
| 產(chǎn)品變化通告： | XR21V1410IL16-F Packing Change 26/Jan/2011 |
| 特色產(chǎn)品： | XR21V141x Full-Speed USB UART |
| 標(biāo)準(zhǔn)包裝： | 490 |
| 特點(diǎn)： | * |
| 通道數(shù)： | 1，UART |
| FIFO's： | 128 字節(jié)，384 字節(jié) |
| 規(guī)程： | USB 2.0 |
| 電源電壓： | 2.97 V ~ 3.63 V |
| 帶自動(dòng)流量控制功能： | 是 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-VFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 16-QFN-EP（3x3） |
| 包裝： | 散裝 |
| 配用： | 1016-1299-ND - EVAL BOARD FOR XR21V1410IL |
| 其它名稱： | 1016-1300 |
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XR21V1410
6
1-CH FULL-SPEED USB UART
REV. 1.4.0
1.3.1
EEPROM Contents
If SDA and SCL are both logic ’1’, the V1410 device will first confirm if there is an external EEPROM attached
by attempting to read the first 8 locations of the ROM. If address 0x07 of the ROM contains the value 0x58 (as
specified in Table 3), the contents of the ROM are assumed to be valid. Otherwise the EEPROM will be
ignored and the SDA / SCL bits are used to indicate remote wakeup support and device power mode.
The I2C address must be 0xA0. An EEPROM can be used to override default Vendor IDs and Device IDs, as
well as other attributes and maximum power consumption. Exar provides an in-circuit EEPROM programming
utility through the USB interface using UART Control block 0x65. Refer to Table 5, “Control Blocks,” on
page 13. The EEPROM programming utility can be downloaded from the Exar website. These values are
uploaded from the EEPROM to the corresponding USB Standard Device Descriptor or Standard Configuration
Descriptor. For details of the USB Descriptors, refer to the USB 2.0 specifications.
TABLE 3: EEPROM CONTENTS
1.3.1.1
Vendor ID
The Vendor ID value replaces the idVendor field in the USB Standard Device Descriptor.
1.3.1.2
Product ID
The Product ID value replaces the idProduct field in the USB Standard Device Descriptor.
TABLE 2: REMOTE WAKEUP AND POWER MODES
SDA
SCL
REMOTE WAKE-UP
SUPPORT
POWER MODE
1
No
Self-Powered
1
0
No
Bus-Powered
0
1
Yes
Self-Powered
0
Yes
Bus-Powered
EEPROM
ADDRESS
CONTENTS
0
Vendor ID (LSB)
1
Vendor ID (MSB)
2
Product ID (LSB)
3
Product ID (MSB)
4
Device Attributes
5
Device Maximum Power
6
Reserved
7
Signature of 0x58 (’X’). If the signature is not correct, the contents of the EEPROM are ignored.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XR21V1410IL16TR-F | 功能描述:USB 接口集成電路 1 Chan FS USB UART w/ 256 Byte FIFO RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| XR21V1412 | 制造商:EXAR 制造商全稱:EXAR 功能描述:2-CH FULL-SPEED USB UART |
| XR21V1412_10 | 制造商:EXAR 制造商全稱:EXAR 功能描述:2-CH FULL-SPEED USB UART |
| XR21V1412IL-0A-EB | 功能描述:界面開發(fā)工具 EVAL BOARD FOR XR21V1412IL32-F 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 |
| XR21V1412IL-0B-EB | 功能描述:界面開發(fā)工具 For XR21V1412 QFN32 USB, RS232;No Cables 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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