參數(shù)資料
型號(hào)： TL16C550CIN
廠商： Texas Instruments, Inc.
英文描述： ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH AUTOFLOW CONTROL
中文描述： 異步通信與自動(dòng)流速調(diào)節(jié)控制單元
文件頁數(shù)： 31/35頁
文件大?。?/td> 499K
代理商： TL16C550CIN
TL16C550B, TL16C550BI
ASYNCHRONOUS COMMUNICATIONS ELEMENT
SLLS136B – JANUARY 1994 – REVISED AUGUST 1996
31
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
receiver buffer register (RBR)
The ACE receiver section consists of a receiver shift register (RSR) and a RBR. The RBR is actually a 16-byte
FIFO. Timing is supplied by the 16
×
receiver clock (RCLK). Receiver section control is a function of the ACE
line control register.
The ACE RSR receives serial data from the SIN terminal. The RSR then deserializes the data and moves it into
the RBR FIFO. In the TL16C450 mode, when a character is placed in the receiver buffer register and the
received data available interrupt is enabled, an interrupt is generated. This interrupt is cleared when the data
is read out of the RBR. In the FIFO mode, the interrupts are generated based on the control setup in the FIFO
control register.
scratch register
The scratch register is an 8-bit register that is intended for programmer use as a scratchpad in the sense that
it temporarily holds the programmer’s data without affecting any other ACE operation.
transmitter holding register (THR)
The ACE transmitter section consists of a THR and a transmitter shift register (TSR). The THR is actually a
16-byte FIFO. Timing is supplied by the baud out (BAUDOUT) clock signal. Transmitter section control is a
function of the ACE’s line control register.
The ACE THR receives data off the internal data bus and when the shift register is idle, moves it into the TSR.
The TSR serializes the data and outputs it at the SOUT. In the TL16C450 mode, when the THR is empty and
the transmitter holding register empty (THRE) interrupt is enabled, an interrupt is generated. This interrupt is
cleared when a character is loaded into the register. In the FIFO mode, the interrupts are generated based on
the control setup in the FIFO control register.
相關(guān)PDF資料
PDF描述
TL16C550CIPFB ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH AUTOFLOW CONTROL
TL16C552AMPN DUAL ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH FIFO
TL16C552AHV DUAL ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH FIFO
TL16C552AMFN DUAL ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH FIFO
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TL16C550CIPFB 制造商:TI 制造商全稱:Texas Instruments 功能描述:ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH AUTOFLOW CONTROL
TL16C550CIPT 功能描述:UART 接口集成電路 Sngl UART w/16-Byte FIFOs & Aut Flw Ctrl RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
TL16C550CIPTG4 功能描述:UART 接口集成電路 Sngl UART w/16-Byte FIFOs & Aut Flw Ctrl RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
TL16C550CIPTR 功能描述:UART 接口集成電路 Sngl UART w/16-Byte FIFOs & Aut Flw Ctrl RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
TL16C550CIPTRG4 功能描述:UART 接口集成電路 Sngl UART w/16-Byte FIFOs & Aut Flw Ctrl RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
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