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 " />
參數(shù)資料
型號(hào)： XR21V1412IL-0A-EB
廠商： Exar Corporation
文件頁(yè)數(shù)： 18/32頁(yè)
文件大?。?/td> 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
相關(guān)產(chǎn)品： XR21V1412IL32TR-F-ND - IC USB UART FIFO FULL SPD 32QFN
1016-1302-ND - IC UART FIFO USB DUAL 32QFN
其它名稱： 1016-1301
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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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
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
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