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参数资料
| 型号： | XR21V1412IL32TR-F |
| 厂商： | Exar Corporation |
| 文件页数： | 20/32页 |
| 文件大小： | 0K |
| 描述： | IC USB UART FIFO FULL SPD 32QFN |
| 产品培训模块： | XR21V141x Full-Speed USB UART Family |
| 标准包装： | 3,000 |
| 特点： | * |
| 通道数： | 2，DUART |
| FIFO's： | 128 字节，384 字节 |
| 规程： | USB 2.0 |
| 电源电压： | 2.97 V ~ 3.63 V |
| 带自动流量控制功能： | 是 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-VFQFN 裸露焊盘 |
| 供应商设备封装： | 32-QFN 裸露焊盘（5x5） |
| 包装： | 带卷 (TR) |
| 配用： | 1016-1301-ND - EVAL BOARD FOR XR21V1412IL |
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XR21V1412
27
REV. 1.3.0
2-CH FULL-SPEED USB UART
CUSTOM_INT_PACKET[6]: GPIO5
Logic 0 = Disable GPIO5 status in custom interrupt packet.
Logic 1 = Enable GPIO5 status in custom interrupt packet.
CUSTOM_INT_PACKET[7]: Reserved
This bit is reserved and should remain ’0’.
TABLE 16: INTERRUPT PACKET FORMAT
TABLE 17: DATA FIELD OF STANDARD INTERRUPT PACKET
OFFSET
FIELD
SIZE
(BYTES)
VALUE
DESCRIPTION
0
bmRequestType
1
8’b10100001
D7 = Device-to-host direction
D6:5 = Class Type
D4-0: = Interface Recipient
1
bNotification
1
8’h20
Defined encoding for SERIAL_STATE
2
wValue
2
16’h0000
4
wIndex
2
16’h0000
D15-8 = Reserved (0)
D7-0 = Interface number, 8’h00 for the CDC Com-
mand Interface
6
wLength
2
16’h0002
2 bytes of transferred data
8
Data
2
Standard
int_status
(See
Table 17
or
Table 18)
D15-7 = Reserved (0)
D6 = bOverRun
D5 = bParity
D4 = bFraming
D3 = bRingSignal (RI)
D2 = bBreak
D1 = bTxCarrier (DSR)
D0 = bRxCarrier (CD)
BIT(S)
FIELD
DESCRIPTION
D15..D7
Reserved (0)
D6
bOverRun
Received data has been discarded due to overrun in the device.
D5
bParity
A parity error has occured.
D4
bFraming
A framing error has occured.
D3
bRingSignal
State of ring signal detection of the device.
D2
bBreak
State of break detection mechanism of the device.
D1
bTxCarrier
State of transmission carrier. This signal corresponds to V.24 signal 106 and
RS-232 signal DSR.
D0
bRxCarrier
State of receiver carrier detection mechanism of device. This signal corre-
sponds to V.24 signal 109 and RS-232 signal DCD.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 |
| XR21V1414IM-0A-EB | 功能描述:界面开发工具 Eval Board for XR21V1414IM48-F RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V |
| XR21V1414IM-0B-EB | 功能描述:界面开发工具 For XR21V1414 TQFP48 USB, RS232;No Cables RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V |
| XR21V1414IM48 | 制造商:EXAR 制造商全称:EXAR 功能描述:4-CH FULL-SPEED USB UART |
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