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| 型號(hào)： | SC16C2550IB48 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 收發(fā)器 |
| 英文描述： | Dual UART with 16 bytes of transmit and receive FIFOs and infrared (IrDA) encoder-decoder |
| 封裝： | SC16C2550IB48<SOT313-2 (LQFP48)|<<http://www.nxp.com/packages/SOT313-2.html<1<week 17, 2005,; |
| 文件頁(yè)數(shù)： | 10/46頁(yè) |
| 文件大小： | 603K |
| 代理商： | SC16C2550IB48 |
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Philips Semiconductors
SC16C2550
Dual UART with 16 bytes of transmit and receive FIFOs and IrDA
encoder/decoder
Product data
Rev. 03 — 19 June 2003
10 of 46
9397 750 11621
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
6.2 Internal registers
The SC16C2550 provides two sets of internal registers (A and B) consisting of
12 registers each for monitoring and controlling the functions of each channel of the
UART. These registers are shown in
Table 4
. The UART registers function as data
holding registers (THR/RHR), interrupt status and control registers (IER/ISR), a FIFO
control register (FCR), line status and control registers (LCR/LSR), modem status
and control registers (MCR/MSR), programmable data rate (clock) control registers
(DLL/DLM), and a user accessible scratchpad register (SPR).
[1]
[2]
[3]
These registers are accessible only when LCR[7] is a logic 0.
These registers are accessible only when LCR[7] is a logic 1.
Enhanced Feature Register, Xon1, 2 and Xoff1, 2 are accessible only when the LCR is set to
‘BF(HEX)’.
Table 3:
Chip Select
CSA-CSB = 1
CSA = 0
CSB = 0
Serial port selection
Function
none
UART channel A
UART channel B
Table 4:
A2
General register set (THR/RHR, IER/ISR, MCR/MSR, FCR, LSR, SPR)
[1]
0
0
0
Receive Holding Register
0
0
1
0
1
0
Interrupt Status Register
0
1
1
1
0
0
1
0
1
Line Status Register
1
1
0
Modem Status Register
1
1
1
Scratchpad Register
Baud rate register set (DLL/DLM)
[2]
0
0
0
LSB of Divisor Latch
0
0
1
MSB of Divisor Latch
Enhanced register set (EFR, Xon/off 1-2)
[3]
0
1
0
Enhanced Feature Register
1
0
0
Xon1 word
1
0
1
Xon2 word
1
1
0
Xoff1 word
1
1
1
Xoff2 word
Internal registers decoding
A0
READ mode
A1
WRITE mode
Transmit Holding Register
Interrupt Enable Register
FIFO Control Register
Line Control Register
Modem Control Register
n/a
n/a
Scratchpad Register
LSB of Divisor Latch
MSB of Divisor Latch
Enhanced Feature Register
Xon1 word
Xon2 word
Xoff1 word
Xoff2 word
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相關(guān)代理商/技術(shù)參數(shù) |
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| SC16C2550IB48,128 | 功能描述:UART 接口集成電路 16C 2.5V-5V 2CH 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 |
| SC16C2550IB48,151 | 功能描述:UART 接口集成電路 DUAL UART 16B TRNSMT RECV ENCODER/DECODER 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 |
| SC16C2550IB48,157 | 功能描述:UART 接口集成電路 16C 2.5V-5V 2CH 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 |
| SC16C2550IN40 | 制造商:PHILIP 功能描述: |
| SC16C2550IN40,112 | 功能描述:IC UART DUAL W/FIFO 40-DIP RoHS:是 類別:集成電路 (IC) >> 接口 - UART（通用異步接收器/發(fā)送器） 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 特點(diǎn):* 通道數(shù):2，DUART FIFO's:16 字節(jié) 規(guī)程:RS232，RS485 電源電壓:2.25 V ~ 5.5 V 帶并行端口:- 帶自動(dòng)流量控制功能:是 帶IrDA 編碼器/解碼器:是 帶故障啟動(dòng)位檢測(cè)功能:是 帶調(diào)制解調(diào)器控制功能:是 帶CMOS:是 安裝類型:表面貼裝 封裝/外殼:48-TQFP 供應(yīng)商設(shè)備封裝:48-TQFP（7x7） 包裝:托盤 其它名稱:XR16L2551IM-F-ND |
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