参数资料
型号: XR16L580IL24-F
厂商: Exar Corporation
文件页数: 29/49页
文件大小: 0K
描述: IC UART FIFO 16B 24QFN
标准包装: 490
特点: *
通道数: 1,UART
FIFO's: 16 字节
规程: RS232,RS422
电源电压: 2.25 V ~ 5.5 V
带自动流量控制功能:
带IrDA 编码器/解码器:
带故障启动位检测功能:
带调制解调器控制功能:
带CMOS:
安装类型: 表面贴装
封装/外壳: 24-VFQFN 裸露焊盘
供应商设备封装: 24-QFN 裸露焊盘(4x4)
包装: 托盘
XR16L580
35
REV. 1.4.2
SMALLEST 2.25V TO 5.5V UART WITH 16-BYTE FIFO AND POWERSAVE
EFR[6]: Auto RTS Flow Control Enable
This bit has no functionality in the 24-QFN package.
RTS# output may be used for hardware flow control by setting EFR bit-6 to logic 1. When Auto RTS is
selected, an interrupt will be generated when the receive FIFO is filled to the programmed trigger level and
RTS de-asserts to a logic 1 at one trigger level above the programmed trigger level. RTS# will return to a logic
0 when FIFO data falls below one trigger level below the programmed trigger level. The RTS# output must be
asserted (logic 0) before the auto RTS can take effect. RTS# pin will function as a general purpose output
when hardware flow control is disabled.
Logic 0 = Automatic RTS flow control is disabled (default).
Logic 1 = Enable Automatic RTS flow control.
EFR[7]: Auto CTS Flow Control Enable
This bit has no functionality in the 24-QFN package.
Automatic CTS Flow Control.
Logic 0 = Automatic CTS flow control is disabled (default).
Logic 1 = Enable Automatic CTS flow control. Data transmission stops when CTS# input de-asserts to logic
1. Data transmission resumes when CTS# returns to a logic 0.
4.16
Software Flow Control Registers (XOFF1, XOFF2, XON1, XON2) - Write Only
These registers are used as the programmable software flow control characters xoff1, xoff2, xon1, and xon2.
For more details, refer to
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