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参数资料
| 型号： | XR21V1412IL-0B-EB |
| 厂商： | Exar Corporation |
| 文件页数： | 18/32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
25
REV. 1.3.0
2-CH FULL-SPEED USB UART
3.3.14
GPIO_INT_MASK Register Description (Read/Write)
Enables / disables generation of a USB interrupt packet at the change of state of GPIO pins when they are
configured as inputs.
GPIO_INT_MASK[5:0]: GPIOx Interrupt Mask
Logic 0 = A change on this input causes the device to generate an interrupt packet.
Logic 1 = A change on this input does not cause the device to generate an interrupt packet.
GPIO_INT_MASK[7:6]: Reserved
These register bits are reserved and should be ’0’.
3.3.15
GPIO_SET Register Description (Read/Write)
Writing a ’1’ in this register drives the GPIO output high. Writing a ’0’ to a bit has no effect. Bits 7-6 are unused
and should be ’0’.
3.3.16
GPIO_CLEAR Register Description (Read/Write)
Writing a ’1’ in this register drives the GPIO output low. Writing a ’0’ to a bit has no effect. Bits 7-6 are unused
and should be ’0’.
3.3.17
GPIO_STATUS Register Description (Read-Only)
This register reports the current state of the GPIO pin.
3.4
UART Custom Registers
3.4.1
CUSTOM Register Description - Chan A / B (Read/Write)
This register enables the Wide mode functionality for the UART.
CUSTOM[0]: Enable wide mode
Logic 0 = Normal (7, 8 or 9 bit data) mode
Logic 1 = Wide mode - “Section 1.5.1.1, Wide Mode Transmit” on page 9, “Section 1.5.2.3, Wide mode
receive operation with 7 or 8-bit data” on page 10 and “Section 1.5.2.4, Wide mode receive operation
with 9-bit data” on page 10.
TABLE 15: UART CUSTOM REGISTERS
ADDRESS
REGISTER NAME
BIT-7
BIT-6
BIT-5
BIT-4
BIT-3
BIT-2
BIT-1
BIT-0
0X03
UART CHAN A CUSTOM
0
MaxPkt-
Size
WIDE_E
N
0X04
UART CHAN A
LOW_LATENCY
0
EN
0X06
UART CHAN A
CUSTOM_INT_PACKET
0
GPIO5
GPIO4
GPIO3
GPIO0
0
GPIO2
GPIO1
0X0B
UART CHAN B CUSTOM
0
MaxPkt-
Size
WIDE_E
N
0X0C
UART CHAN B
LOW_LATENCY
0
EN
0X0E
UART CHAN B
CUSTOM_INT_PACKET
0
GPIO5
GPIO4
GPIO3
GPIO0
0
GPIO2
GPIO1
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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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