參數(shù)資料
型號： SC16C752IB48
廠商： NXP Semiconductors N.V.
元件分類： 收發(fā)器
英文描述： Dual UART with 64-byte FIFO
封裝： SC16C752IB48<SOT313-2 (LQFP48)|<<http://www.nxp.com/packages/SOT313-2.html<1<week 17, 2005,;
文件頁數(shù)： 13/47頁
文件大小： 604K
代理商： SC16C752IB48
Philips Semiconductors
SC16C752
Dual UART with 64-byte FIFO
Product data
Rev. 04 — 20 June 2003
13 of 47
9397 750 11635
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
6.5.1
Interrupt mode operation
In interrupt mode (if any bit of IER[3:0] is 1) the processor is informed of the status of
the receiver and transmitter by an interrupt signal, INT. Therefore, it is not necessary
to continuously poll the line status register (LSR) to see if any interrupt needs to be
serviced.
Figure 7
shows interrupt mode operation.
6.5.2
Polled mode operation
In polled mode (IER[3:0] = 0000) the status of the receiver and transmitter can be
checked by polling the line status register (LSR). This mode is an alternative to the
FIFO interrupt mode of operation where the status of the receiver and transmitter is
automatically known by means of interrupts sent to the CPU.
Figure 8
shows FIFO
polled mode operation.
Fig 7.
Interrupt mode operation.
1
1
1
1
IIR
IER
THR
RHR
PROCESSOR
IOW / IOR
INT
002aaa230
Fig 8.
FIFO polled mode operation.
0
0
0
0
LSR
IER
THR
RHR
PROCESSOR
IOW / IOR
002aaa231
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SC16C752IB48,128 功能描述:UART 接口集成電路 Dual UART 64-byte FIFO 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
SC16C752IB48,151 功能描述:UART 接口集成電路 16C 2.5V-5V 2CH UART 64B FIFO 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
SC16C752IB48,157 功能描述:UART 接口集成電路 16C 2.5V-5V 2CH UART 64B FIFO 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
SC16C754 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Quad UART with 64-byte FIFO
SC16C754B 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 64-byte FIFOs
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