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参数资料
| 型号： | SCC2692AC1N28,129 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 18/30页 |
| 文件大小： | 0K |
| 描述： | IC DUART 28-DIP |
| 标准包装： | 13 |
| 特点： | 故障启动位检测 |
| 通道数： | 2，DUART |
| FIFO's： | 3 位 |
| 电源电压： | 5V |
| 带并行端口： | 是 |
| 带自动流量控制功能： | 是 |
| 带故障启动位检测功能： | 是 |
| 带CMOS： | 是 |
| 安装类型： | 通孔 |
| 封装/外壳： | 28-DIP（0.600"，15.24mm） |
| 供应商设备封装： | 28-DIP |
| 包装： | 管件 |
| 其它名称： | 933981720129 SCC2692AC1N28-S SCC2692AC1N28-S-ND |
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Philips Semiconductors
Product specification
SCC2692
Dual asynchronous receiver/transmitter (DUART)
1998 Sep 04
25
A condition that occurs infrequently has been observed where the receiver will ignore all data. It is caused by a corruption of the start bit
generally due to noise. When this occurs the receiver will appear to be asleep or locked up. The receiver must be reset for the UART to
continue to function properly.
Reset in the Normal Mode (Receiver Enabled)
Recovery can be accomplished easily by issuing a receiver software reset followed by a receiver enable. All receiver data, status and
programming will be preserved and available before reset. The reset will NOT affect the programming.
Reset in the Wake-Up Mode (MR1[4:3] = 11)
Recovery can also be accomplished easily by first exiting the wake-up mode (MR1[4:3] = 00 or 01 or 10), then issuing a receiver software
reset followed by a wake-up re-entry (MR1[4:3] = 11). All receiver data, status and programming will be preserved and available before
reset. The reset will NOT affect the programming.
The receiver has a digital filter designed to reject “noisy” data transitions and the receiver state machine was designed to reject noisy start
bits or noise that might be considered a start bit. In spite of these precautions, corruption of the start bit can occur in 15ns window
approximately 100ns prior to the rising edge of the data clock. The probability of this occurring is less than 10–5 at 9600 baud.
A corrupted start bit may have some deleterious effects in ASYNC operation if it occurs within a normal data block. The receiver will tend
to align its data clock to the next ‘0’ bit in the data stream, thus potentially corrupting the remainder of the data block. A good design
practice, in environments where start bit corruption is possible, is to monitor data quality (framing error, parity error, break change and
received break) and “data stopped” time out periods. Time out periods can be enabled using the counter/timer in the SCC2691, SCC2692,
SCC2698B and SC68692 products. This monitoring can indicate a potential start bit corruption problem.
SD00097
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SCC2692AC1N28-S | 功能描述:UART 接口集成电路 5V INDSTRL UART 2 C 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 |
| SCC2692AC1N40 | 制造商:NXP Semiconductors 功能描述:IC DUART 2692 DIP40 制造商:NXP Semiconductors 功能描述:IC, DUART, 2692, DIP40 制造商:NXP Semiconductors 功能描述:IC, DUAL UART, FIFO, 115KBAUD 5.5V DIP40; No. of Channels:2; Data Rate:1Mbps; Supply Voltage Min:4.5V; Supply Voltage Max:5.5V; Digital IC Case Style:DIP; No. of Pins:40; Operating Temperature Min:0C; Operating Temperature Max:70C ;RoHS Compliant: Yes |
| SCC2692AC1N40,602 | 功能描述:UART 接口集成电路 2CH. 5V IND. UART 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 |
| SCC2692AC1N40602 | 制造商:NXP Semiconductors 功能描述:IC DUAL UART FIFO 1MBPS 5.5V DIP-40 |
| SCC2692AE1A44 | 功能描述:UART 接口集成电路 5V INDSTRL UART 2 C 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 |
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