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参数资料
| 型号： | XR21V1412IL-0B-EB |
| 厂商： | Exar Corporation |
| 文件页数： | 14/32页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR XR21V1412IL |
| 产品培训模块： | UART Product Overview XR21V141x Full-Speed USB UART Family |
| 标准包装： | 1 |
| 主要目的： | 接口，USB 2.0 至 UART |
| 嵌入式： | 否 |
| 已用 IC / 零件： | XR21V1412IL |
| 已供物品： | 板 |
| 其它名称： | 1016-1426 |
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XR21V1412
21
REV. 1.3.0
2-CH FULL-SPEED USB UART
3.3.5
CHARACTER_FORMAT Register Description (Read/Write)
This register controls the character format such as the word length (7, 8 or 9), parity (odd, even, forced ’0’, or
forced ’1’) and number of stop bits (1 or 2).
CHARACTER_FORMAT[3:0]: Data Bits.
All other values for CHARACTER_FORMAT[3:0] are reserved.
CHARACTER_FORMAT[6:4]: Parity Mode Select
These bits select the parity mode. If 9-bit data mode has been selected, then writing to these bits will not have
any effect. In other words, there will not be an additional parity bit.
CHARACTER_FORMAT[7]: Stop Bit select
This register selects the number of stop bits to add to the transmitted character and how many stop bits to
check for in the received character.
3.3.6
FLOW_CONTROL Register Description (Read/Write)
These registers select the flow control mode. These registers should only be written to when the UART is
disabled.
Writing to the FLOW_CONTROL register when the UART is enabled will result in undefined
behavior. Note that the FLOW_CONTROL register settings are used in conjunction with the GPIO_MODE
register.
TABLE 10: DATA BITS
DATA BITS
CHARACTER_FORMAT[3:0]
7
0111
8
1000
9
1001
TABLE 11: PARITY SELECTION
BIT-6
BIT-5
BIT-4
PARITY SELECTION
0
No parity
0
1
Odd parity
0
1
0
Even parity
0
1
Force parity to mark, “1”
1
0
Force parity to space, “0”
TABLE 12: STOP BIT SELECTION
BIT-7
NUMBER OF STOP BITS
0
1 stop bit
2
2 stop bits
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相关代理商/技术参数 |
参数描述 |
|---|---|
| XR21V1412IL32 | 制造商:EXAR 制造商全称:EXAR 功能描述:2-CH FULL-SPEED USB UART |
| XR21V1412IL32-F | 功能描述:USB 接口集成电路 2-Ch 12Mbps 48MHz Internal clock; UART RoHS:否 制造商:Cypress Semiconductor 产品:USB 2.0 数据速率: 接口类型:SPI 工作电源电压:3.15 V to 3.45 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:WLCSP-20 |
| XR21V1412IL32TR-F | 功能描述:USB 接口集成电路 2 Chan FS USB UART w/ 256 Byte FIFO RoHS:否 制造商:Cypress Semiconductor 产品:USB 2.0 数据速率: 接口类型:SPI 工作电源电压:3.15 V to 3.45 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:WLCSP-20 |
| XR21V1414 | 制造商:EXAR 制造商全称:EXAR 功能描述:4-CH FULL-SPEED USB UART |
| XR21V1414_10 | 制造商:EXAR 制造商全称:EXAR 功能描述:4-CH FULL-SPEED USB UART |
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