參數(shù)資料
型號: XR16L580
廠商: Exar Corporation
英文描述: SMALLEST 2.25V TO 5.5V UART WITH 16-BYTE FIFO AND POWERSAVE
中文描述: 2.25V至5.5V的最小的16字節(jié)FIFO和省電的UART
文件頁數(shù): 33/47頁
文件大?。?/td> 285K
代理商: XR16L580
á
REV. 1.2.0
XR16L580
SMALLEST 2.25V TO 5.5V UART WITH 16-BYTE FIFO AND POWERSAVE
33
EFR[6]: Auto RTS Flow Control Enable
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
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 “Section 2.15, Auto Xon/Xoff (Software) Flow Control” on page 16.
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