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参数资料
| 型号： | XR16M680IB25-0C-EB |
| 厂商： | Exar Corporation |
| 文件页数： | 22/57页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR XR16M680-C 25BGA |
| 标准包装： | 1 |
| 系列： | * |
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XR16M680
29
REV. 1.0.0
1.62V TO 3.63V HIGH PERFORMANCE UART WITH 32-BYTE FIFO
IER[4]: Sleep Mode Enable (requires EFR[4] = 1)
Logic 0 = Disable Sleep Mode (default).
Logic 1 = Enable Sleep Mode. See Sleep Mode section for further details.
IER[5]: Xoff Interrupt Enable (requires EFR[4]=1)
Logic 0 = Disable the software flow control, receive Xoff interrupt. (default)
Logic 1 = Enable the software flow control, receive Xoff interrupt. See Software Flow Control section for
details.
IER[6]: RTS# Output Interrupt Enable (requires EFR[4]=1)
Logic 0 = Disable the RTS# interrupt (default).
Logic 1 = Enable the RTS# interrupt. The UART issues an interrupt when the RTS# pin makes a transition
from LOW to HIGH (if enabled by EFR bit-6).
IER[7]: CTS# Input Interrupt Enable (requires EFR[4]=1)
Logic 0 = Disable the CTS# interrupt (default).
Logic 1 = Enable the CTS# interrupt. The UART issues an interrupt when CTS# pin makes a transition from
LOW to HIGH (if enabled by EFR bit-7).
4.4
Interrupt Status Register (ISR) - Read-Only
The UART provides multiple levels of prioritized interrupts to minimize external software interaction. The
Interrupt Status Register (ISR) provides the user with six interrupt status bits. Performing a read cycle on the
ISR will give the user the current highest pending interrupt level to be serviced, others are queued up to be
serviced next. No other interrupts are acknowledged until the pending interrupt is serviced. The Interrupt
Source Table, Table 8, shows the data values (bit 0-5) for the interrupt priority levels and the interrupt sources
associated with each of these interrupt levels.
4.4.1
Interrupt Generation:
LSR is by any of the LSR bits 1, 2, 3 and 4.
RXRDY is by RX trigger level.
RXRDY Time-out is by a 4-char plus 12 bits delay timer.
TXRDY is by TX trigger level or TX FIFO empty.
MSR is by any of the MSR bits 0, 1, 2 and 3.
Receive Xon/Xoff/Special character is by detection of a Xon, Xoff or Special character.
CTS# is when the remote transmitter toggles the input pin (from LOW to HIGH) during auto CTS flow control.
RTS# is when its receiver toggles the output pin (from LOW to HIGH) during auto RTS flow control.
Wakeup interrupt is generated when the M680 wakes up from the sleep mode.
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相关代理商/技术参数 |
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|---|---|
| XR16M680IB25-F | 功能描述:UART 接口集成电路 1.8 HIGH PERFORMANCE UART W/32 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 |
| XR16M680IL32 | 制造商:EXAR 制造商全称:EXAR 功能描述:1.62V TO 3.63V HIGH PERFORMANCE UART WITH 32-BYTE FIFO |
| XR16M680IL32-0A-EB | 功能描述:界面开发工具 Eval Board for XR16M680IL32 Series 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 |
| XR16M680IL32-0B-EB | 功能描述:界面开发工具 Eval Board for XR16M680IL32 Series 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 |
| XR16M680IL32-0C-EB | 功能描述:界面开发工具 Eval Board for XR16M680IL32 Series 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 |
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