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參數(shù)資料
| 型號(hào)： | SC68C752B |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 64-byte FIFOs and Motorola mP interface |
| 中文描述： | 5伏，3.3伏和2.5伏兆5雙UART /秒（最大），64字節(jié)的FIFO和摩托羅拉手機(jī)接口 |
| 文件頁數(shù)： | 1/46頁 |
| 文件大?。?/td> | 219K |
| 代理商： | SC68C752B |
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1.
General description
The SC68C752B is a dual Universal Asynchronous Receiver/Transmitter (UART) with
64-byte FIFOs, automatic hardware/software flow control, and data rates up to 5 Mbit/s.
The SC68C752B offers enhanced features. It has a Transmission Control Register (TCR)
that stores receiver FIFO threshold levels to start/stop transmission during hardware and
software flow control. With the FIFO Rdy register, the software gets the status of
TXRDY/RXRDY for all four ports in one access. On-chip status registers provide the user
with error indications, operational status, and modem interface control. System interrupts
may be tailored to meet user requirements. An internal loop-back capability allows
on-board diagnostics.
The UART transmits data, sent to it over the peripheral 8-bit bus, on the TX signal and
receives characters on the RX signal. Characters can be programmed to be 5, 6, 7, or
8 bits. The UART has a 64-byte receive FIFO and transmit FIFO and can be programmed
to interrupt at different trigger levels. The UART generates its own desired baud rate
based upon a programmable divisor and its input clock. It can transmit even, odd, or no
parity and 1, 1.5, or 2 stop bits. The receiver can detect break, idle, or framing errors,
FIFO overflow, and parity errors. The transmitter can detect FIFO underflow. The UART
also contains a software interface for modem control operations, and has software flow
control and hardware flow control capabilities.
The SC68C752B is available in a plastic LQFP48 package.
2.
Features
I
Dual channel with Motorola
μ
P interface
I
Up to 5 Mbit/s data rate
I
64-byte transmit FIFO
I
64-byte receive FIFO with error flags
I
Programmable and selectable transmit and receive FIFO trigger levels for DMA and
interrupt generation
I
Software/hardware flow control
N
Programmable Xon/Xoff characters
N
Programmable Auto-RTS and Auto-CTS
I
Optional data flow resume by Xon any character
I
DMA signalling capability for both received and transmitted data
I
Supports 5 V, 3.3 V and 2.5 V operation
I
5 V tolerant inputs
I
Software selectable baud rate generator
SC68C752B
5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 64-byte
FIFOs and Motorola
μ
P interface
Rev. 02 — 28 April 2005
Product data sheet
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SC68C752BIB48 | 功能描述:UART 接口集成電路 2.5V-5V 2CH UART 64B FIFO MOT 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 |
| SC68C752BIB48,128 | 功能描述:UART 接口集成電路 2.5V-5V 2CH UART 64B 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 |
| SC68C752BIB48,151 | 功能描述:UART 接口集成電路 UART DUAL W/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 |
| SC68C752BIB48,157 | 功能描述:UART 接口集成電路 2.5V-5V 2CH UART 64B 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 |
| SC68C752BIB48-F | 功能描述:UART 接口集成電路 2.5V-5V 2CH UART 64B FIFO MOT 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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