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參數(shù)資料
| 型號： | XR21V1412IL-0B-EB |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 14/32頁 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR XR21V1412IL |
| 產(chǎn)品培訓(xùn)模塊： | UART Product Overview XR21V141x Full-Speed USB UART Family |
| 標(biāo)準(zhǔn)包裝： | 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 |
| 其它名稱： | 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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XR21V1412IL32 | 制造商:EXAR 制造商全稱:EXAR 功能描述:2-CH FULL-SPEED USB UART |
| XR21V1412IL32-F | 功能描述:USB 接口集成電路 2-Ch 12Mbps 48MHz Internal clock; UART 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 |
| XR21V1412IL32TR-F | 功能描述:USB 接口集成電路 2 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 |
| XR21V1414 | 制造商:EXAR 制造商全稱:EXAR 功能描述:4-CH FULL-SPEED USB UART |
| XR21V1414_10 | 制造商:EXAR 制造商全稱:EXAR 功能描述:4-CH FULL-SPEED USB UART |
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