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参数资料
| 型号： | XR16M570IL24-0C-EB |
| 厂商： | Exar Corporation |
| 文件页数： | 30/50页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR XR16M570-C 24QFN |
| 标准包装： | 1 |
| 系列： | * |
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XR16M570
36
1.62V TO 3.63V HIGH PERFORMANCE UART WITH 16-BYTE FIFO
REV. 1.0.1
EMSR[2]: Send TX Immediately
Logic 0 = Do not send TX immediately (default).
Logic 1 = Send TX immediately. When FIFO is enabled and this bit is set, the next data will be to the TX shift
register. Thus, the data will be sent out immediately instead of queuing in the FIFO. Every time, only 1 byte
will be send out. Once this byte has been sent out, the EMSR[2] will go back to 0 automatically. If more than
1 byte will be sent out, EMSR[2] needs to be set to 1 for each byte.
EMSR[3]: Invert RTS in RS485 mode
Logic 0 = RTS# output is a logic 0 during TX and a logic 1 during RX (default).
Logic 1 = RTS# output is a logic 1 during TX and a logic 0 during RX.
EMSR[5:4]: Reserved
EMSR[6]: LSR Interrupt Mode
Logic 0 = LSR Interrupt Delayed (default). LSR bits 2, 3, and 4 will generate an interrupt when the character
with the error is in the RHR.
Logic 1 = LSR Interrupt Immediate. LSR bits 2, 3, and 4 will generate an interrupt as soon as the character is
received into the FIFO.
EMSR[7]: Xoff/Special character Interrupt Mode Select
This bit selects how the Xoff and Special character interrupt is cleared. The XON interrupt can only be cleared
by reading the ISR register.
Logic 0 = Xoff interrupt is cleared by either reading ISR register or when an XON character is received.
Special character interrupt is cleared by either reading ISR register or when next character is received.
(default).
Logic 1 = Xoff/Special character interrupt can only be cleared by reading the ISR register.
4.13
Baud Rate Generator Registers (DLL, DLM and DLD) - Read/Write
These registers make-up the value of the baud rate divisor. The M570 has different DLL, DLM and DLD for
transmitter and receiver. It provides more convenience for the transmitter and receiver to transmit data with
different rate. The M570 uses DLD[7:6] to select TX or RX. Then it provides DLD[5:0] to select the sampling
frequency and fractional baud rate divisor. The concatenation of the contents of DLM and DLL gives the 16-bit
divisor value. The value is added to DLD[3:0]/16 to achieve the fractional baud rate divisor. DLD must be
enabled via EFR bit-4 before it can be accessed. See Table 13 below and See ”Section 2.7, Programmable
Baud Rate Generator with Fractional Divisor” on page 11.
DLD[5:4]: Sampling Rate Select
These bits select the data sampling rate. By default, the data sampling rate is 16X. The maximum data rate will
double if the 8X mode is selected and will quadruple if the 4X mode is selected. See Table 13 below.
TABLE 13: SAMPLING RATE SELECT
DLD[5]
DLD[4]
SAMPLING RATE
00
16X
01
8X
1X
4X
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相关代理商/技术参数 |
参数描述 |
|---|---|
| XR16M570IL24-F | 功能描述:UART 接口集成电路 1.8 HIGH PERFORMANCE UART W/16 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 |
| XR16M570IL24TR-F | 功能描述:UART 接口集成电路 1.8 HIGH PERFORMANCE UART W/16 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 |
| XR16M570IL32 | 制造商:EXAR 制造商全称:EXAR 功能描述:1.62V TO 3.63V HIGH PERFORMANCE UART WITH 16-BYTE FIFO |
| XR16M570IL32-0A-EB | 功能描述:界面开发工具 Eval Board for XR16M570IL32 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 |
| XR16M570IL32-0B-EB | 功能描述:界面开发工具 Eval Board for XR16M570IL32 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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