参数资料
型号: XR21V1414IM-0A-EB
厂商: Exar Corporation
文件页数: 24/34页
文件大小: 0K
描述: EVAL BOARD FOR XR21V1414IM
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:
已用 IC / 零件: XR21V1414IM
已供物品:
相关产品: 1016-1304-ND - IC UART FIFO USB QUAD 48TQFP
其它名称: 1016-1303
XR21V1414
30
4-CH FULL-SPEED USB UART
REV. 1.3.0
TABLE 17: DATA FIELD OF STANDARD INTERRUPT PACKET
If the Exar vendor specific packet mapping is enabled then the data field also includes status for all of the
UART / GPIO pins as follows:
TABLE 18: DATA FIELD OF CUSTOMIZED INTERRUPT PACKET - EXAR VENDOR SPECIFIC
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.
BIT(S)
FIELD
DESCRIPTION
15
D15
Reserved (0)
14
D14
bGPIO5 (RTS)
13
D13
bGPIO4 (CTS)
12
D12
bGPIO3 (DTR)
11
D11
bGPIO0 (RI)
10
D10
Reserved (0)
9
D9
bGPIO2 (DSR)
8
D8
bGPIO1 (CD)
7
D7
Reserved (0)
6
D6
bOverRun
5
D5
bParity
4
D4
bFraming
3
D3
bRingSignal (RI)
2
D2
bBreak
1
D1
bTxCarrier (DSR)
0
D0
bRxCarrier (CD)
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