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参数资料
| 型号： | XR17V354IB-E4-EVB |
| 厂商： | Exar Corporation |
| 文件页数： | 10/66页 |
| 文件大小： | 0K |
| 描述： | EVAL BRD FOR XR17V354-E4 176BGA |
| 产品培训模块： | PCIe UARTs |
| 标准包装： | 1 |
| 主要目的： | 接口，UART |
| 嵌入式： | 否 |
| 已用 IC / 零件： | XR17V354 |
| 已供物品： | 板 |
| 其它名称： | 1016-1612 XR17V354IB-E4-EVB-ND |
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XR17V354
18
HIGH PERFORMANCE QUAD PCI-EXPRESS UART
REV. 1.0.3
INT0 [7:0] Channel Interrupt Indicator
Each bit gives an indication of the channel that has requested for service. Bit [0] represents channel 0 and
bit [3] indicates channel 3. The upper four bits INT0[7:4] are reserved. Logic 1 indicates the channel N [3:0] has
called for service. The interrupt bit clears after reading the appropriate register of the interrupting channel
register, see Interrupt Clearing section.
The INT0 register provides individual status for each channel
INT0 Register
Individual UART Channel Interrupt Status
Ch-3 Ch-2 Ch-1 Ch-0
0
Bit-3 Bit-2 Bit-1 Bit-0
Rsvd
INT3, INT2 and INT1 [31:8] 3-bit Channel Interrupt Encoding
Each channel’s interrupt is encoded into 3 bits for receive, transmit, and status. Bits [10:8] represent channel 0
and go up to channel 3 with bits [19:17]. The 3-bit encoding and their priority order are shown below in Table 7.
The wake-up interrupt, timer/counter interrupt and MPIO interrupt are only reported in channel 0 of INT1
(bits[10:8]). These interrupts are not reported in any other location.
FIGURE 4. THE GLOBAL INTERRUPT REGISTER, INT0, INT1, INT2 AND INT3
Channel-3
Channel-2
Channel-1
Channel-0
INT2 Register
INT1 Register
INT3 Register
INT0 Register
Interrupt Registers,
INT0, INT1, INT2 and INT3
Bit-0
Bit-1
Bit-2
Bit-3
00
0
Ch-3 Ch-2 Ch-1 Ch-0
Bit
N+1
Bit
N+2
Bit
N
Bit
N+1
Bit
N+2
Bit
N
Bit
N+1
Bit
N+2
Bit
N
Bit
N+1
Bit
N+2
Bit
N
0
00
0
00
0
00
0
00
Rsvd Rsvd Rsvd Rsvd
Reserved
TABLE 7: UART CHANNEL [3:0] INTERRUPT SOURCE ENCODING
PRIORITY
BIT[N+2]
BIT[N+1]
BIT[N]
INTERRUPT SOURCE(S)
x
0
None or wake-up indicator (wake-up indicator is reported in channel 0 only)
1
0
1
RXRDY and RX Line Status (logic OR of LSR[4:1])
2
0
1
0
RXRDY Time-out
3
0
1
TXRDY, THR or TSR (auto RS485 mode) empty
4
1
0
MSR, RTS/CTS or DTR/DSR delta or Xoff/Xon det. or special char. detected
5
1
0
1
Reserved.
6
1
0
MPIO pin(s). Reported in channel 0 only.
7
1
Timer/Counter. Reported in channel 0 only.
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相关代理商/技术参数 |
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| XR17V354IB-E8-EVB | 功能描述:界面开发工具 Eval Board for XR17V354IB-E8 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 |
| XR17V358 | 制造商:EXAR 制造商全称:EXAR 功能描述:HIGH PERFORMANCE OCTAL PCI EXPRESS UART |
| XR17V358IB-0A-EVB | 功能描述:界面开发工具 Eval Board for XR17V358IB-0A 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 |
| XR17V358IB176-F | 功能描述:UART 接口集成电路 8 Channel PCIe UART w/256 Byte FIFO RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
| XR17V358IB176-F | 制造商:Exar Corporation 功能描述:IC OCTAL UART 25MBPS 3.6V 176-BGA |
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