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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)： | 22/47頁 |
| 文件大?。?/td> | 229K |
| 代理商： | SC16C550B |
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Philips Semiconductors
SC16C550B
5 V, 3.3 V and 2.5 V UART with 16-byte FIFOs
Product data
Rev. 02 — 14 December 2004
22 of 47
9397 750 14446
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Transmit operation in mode ‘1’:
When the SC16C550B is in FIFO
mode (FCR[0] = logic 1; FCR[3] = logic 1), the TXRDY pin will be a
logic 1 when the transmit FIFO is completely full. It will be a logic 0 if one
or more FIFO locations are empty.
Receive operation in mode ‘1’:
When the SC16C550B is in FIFO
mode (FCR[0] = logic 1; FCR[3] = logic 1) and the trigger level has been
reached, or a Receive Time-Out has occurred, the RXRDY pin will go to
a logic 0. Once activated, it will go to a logic 1 after there are no more
characters in the FIFO.
XMIT FIFO reset.
Logic 0 = No FIFO transmit reset (normal default condition).
Logic 1 = Clears the contents of the transmit FIFO and resets the
FIFO counter logic (the transmit shift register is not cleared or
altered). This bit will return to a logic 0 after clearing the FIFO.
RCVR FIFO reset.
Logic 0 = No FIFO receive reset (normal default condition).
Logic 1 = Clears the contents of the receive FIFO and resets the FIFO
counter logic (the receive shift register is not cleared or altered). This
bit will return to a logic 0 after clearing the FIFO.
FIFO enable.
Logic 0 = Disable the transmit and receive FIFO (normal default
condition).
Logic 1 = Enable the transmit and receive FIFO.
This bit must be a
‘1’ when other FCR bits are written to, or they will not be
programmed.
2
FCR[2]
1
FCR[1]
0
FCR[0]
Table 12:
FCR[7]
0
0
1
1
RCVR trigger levels
FCR[6]
0
1
0
1
RX FIFO trigger level (bytes)
1
4
8
14
Table 11:
Bit
FIFO Control Register bits description
…continued
Symbol
Description
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| SC16C550BIN40 | 5 V, 3.3 V and 2.5 V UART with 16-byte FIFOs |
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| 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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