參數(shù)資料
型號： SC16C550B
廠商： NXP Semiconductors N.V.
英文描述： 5 V, 3.3 V and 2.5 V UART with 16-byte FIFOs
中文描述： 5伏，3.3伏和2.5伏的UART具有16字節(jié)的FIFO
文件頁數(shù)： 12/47頁
文件大?。?/td> 229K
代理商： SC16C550B
Philips Semiconductors
SC16C550B
5 V, 3.3 V and 2.5 V UART with 16-byte FIFOs
Product data
Rev. 02 — 14 December 2004
12 of 47
9397 750 14446
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
6.3.3
Enabling autoflow control and auto-CTS
Autoflow control is enabled by setting MCR[5] and MCR[1].
6.3.4
Auto-CTS and auto-RTS functional timing
The receiver FIFO trigger level can be set to 1, 4, 8, or 14 bytes. These are described
in
Figure 7
and
Figure 8
.
Table 5:
MCR[5]
1
1
0
Enabling autoflow control and auto-CTS
MCR[1]
1
0
X
Selection
auto RTS and CTS
auto CTS
disable
(1) When CTS is LOW, the transmitter keeps sending serial data out.
(2) If CTS goes HIGH before the middle of the last stop bit of the current byte, the transmitter finishes sending the current byte,
but is does not send the next byte.
(3) When CTS goes from HIGH to LOW, the transmitter begins sending data again.
Fig 6.
CTS functional timing waveforms.
Start
bits 0 to 7
Stop
TX
CTS
002aaa049
Start
bits 0 to 7
Stop
Start
bits 0 to 7
Stop
(1) N = RCV FIFO trigger level (1, 4, or 8 bytes).
(2) The two blocks in dashed lines cover the case where an additional byte is sent as described in the preceding auto-RTS
section.
Fig 7.
RTS functional timing waveforms, RCV FIFO trigger level = 1, 4, or 8 bytes.
Start
byte N
Start
byte N + 1
Start
byte
Stop
Stop
Stop
RX
RTS
IOR
(RD RBR)
N
N + 1
1
2
002aaa050
相關(guān)PDF資料
PDF描述
SC16C550BIN40 5 V, 3.3 V and 2.5 V UART with 16-byte FIFOs
SC16C550IN40 Universal Asynchronous Receiver/Transmitter (UART) with 16-byte FIFO and infrared (IrDA) encoder/decoder
SC16C550 Universal Asynchronous Receiver/Transmitter (UART) with 16-byte FIFO and infrared (IrDA) encoder/decoder
SC16C550IA44 Universal Asynchronous Receiver/Transmitter (UART) with 16-byte FIFO and infrared (IrDA) encoder/decoder
SC16C550IB48 Universal Asynchronous Receiver/Transmitter (UART) with 16-byte FIFO and infrared (IrDA) encoder/decoder
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SC16C550BIA44 功能描述:UART 接口集成電路 16CB 2.5V-5V 1CH UART 16B 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
SC16C550BIA44,512 功能描述:UART 接口集成電路 16CB 2.5V-5V 1CH 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
SC16C550BIA44,518 功能描述:UART 接口集成電路 1CH. UART 16B 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
SC16C550BIA44,529 功能描述:UART 接口集成電路 16CB 2.5V-5V 1CH 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
SC16C550BIA44512 制造商:NXP Semiconductors 功能描述:IC SINGLE UART FIFO 3MBPS 5.5V LCC44
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