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参数资料
| 型号： | SC28L92A1BS,551 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 1/73页 |
| 文件大小： | 0K |
| 描述： | IC UART DUAL W/FIFO 44PQFP |
| 标准包装： | 490 |
| 系列： | IMPACT |
| 特点： | 故障启动位检测 |
| 通道数： | 2，DUART |
| FIFO's： | 16 字节 |
| 电源电压： | 3.3V，5V |
| 带自动流量控制功能： | 是 |
| 带故障启动位检测功能： | 是 |
| 带调制解调器控制功能： | 是 |
| 带CMOS： | 是 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-VFQFN 裸露焊盘 |
| 供应商设备封装： | 48-HVQFN EP（6x6） |
| 包装： | 托盘 |
| 其它名称： | 935281063551 SC28L92A1BS-S SC28L92A1BS-S-ND |
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1.
General description
The SC28L92 is a pin and function replacement for the SCC2692 and SC26C92 operating
at 3.3 V or 5 V supply with added features and deeper FIFOs. Its conguration on
power-up is that of the SC26C92. Its differences from the SCC2692 and SC26C92 are:
16 character receiver, 16 character transmit FIFOs, watchdog timer for each receiver,
mode register 0 is added, extended baud rate and overall faster speeds, programmable
receiver and transmitter interrupts. (Neither the SC26C92 nor the SCC2692 is being
discontinued.)
Pin programming will allow the device to operate with either the Motorola or Intel bus
interface. The bit 3 of the MR0A register allows the device to operate in an 8 byte FIFO
mode if strict compliance with the SC26C92 FIFO structure is required.
The NXP Semiconductors SC28L92 Dual Universal Asynchronous Receiver/Transmitter
(DUART) is a single-chip CMOS-LSI communications device that provides two full-duplex
asynchronous receiver/transmitter channels in a single package. It interfaces directly with
microprocessors and may be used in a polled or interrupt driven system with modem and
DMA interface.
The operating mode and data format of each channel can be programmed independently.
Additionally, each receiver and transmitter can select its operating speed as one of 28
xed baud rates; a 16
× clock derived from a programmable counter/timer, or an external
1
× or 16× clock. The baud rate generator and counter/timer can operate directly from a
crystal or from external clock inputs. The ability to independently program the operating
speed of the receiver and transmitter make the DUART particularly attractive for
dual-speed channel applications such as clustered terminal systems.
Each receiver and transmitter is buffered by 8 or 16 character FIFOs to minimize the
potential of receiver overrun, transmitter underrun and to reduce interrupt overhead in
interrupt driven systems. In addition, a ow control capability is provided via RTS/CTS
signaling to disable a remote transmitter when the receiver buffer is full.
Also provided on the SC28L92 are a multipurpose 7-bit input port and a multipurpose 8-bit
output port. These can be used as general purpose I/O ports or can be assigned specic
functions (such as clock inputs or status/interrupt outputs) under program control.
The SC28L92 is available in three package versions: PLCC44, QFP44, and HVQFN48.
SC28L92
3.3 V/5.0 V Dual Universal Asynchronous
Receiver/Transmitter (DUART)
Rev. 07 — 19 December 2007
Product data sheet
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| SCC68692E1N40,602 | IC DUART 40DIP |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SC28L92A1BS-F | 功能描述:UART 接口集成电路 3V-5V 1CH UART INTEL/MOT INTRF RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
| SC28L92A1BS-S | 功能描述:UART 接口集成电路 3V-5V 1CH UART INTEL/MOT INTRF RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
| SC28P-1GREEN | 制造商:Thomas & Betts 功能描述:ID TAG GREEN |
| SC28P-1RED | 制造商:Thomas & Betts 功能描述:ID TAG RED |
| SC28P-1YELLOW | 制造商:Thomas & Betts 功能描述:ID TAG YELLOW |
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