參數(shù)資料
型號(hào)： SCC2692AC1A44,518
廠(chǎng)商： NXP Semiconductors
文件頁(yè)數(shù)： 18/30頁(yè)
文件大?。?/td> 0K
描述： IC DUART SOT187-2
標(biāo)準(zhǔn)包裝： 500
特點(diǎn)： 故障啟動(dòng)位檢測(cè)
通道數(shù)： 2，DUART
FIFO's： 3 位
電源電壓： 5V
帶并行端口： 是
帶自動(dòng)流量控制功能： 是
帶故障啟動(dòng)位檢測(cè)功能： 是
帶CMOS： 是
安裝類(lèi)型： 表面貼裝
封裝/外殼： 44-LCC（J 形引線(xiàn)）
供應(yīng)商設(shè)備封裝： 44-PLCC
包裝： 帶卷 (TR)
其它名稱(chēng)： 933968320518
SCC2692AC1A44-T
SCC2692AC1A44-T-ND
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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參數(shù)描述
SCC2692AC1A44-S 功能描述:UART 接口集成電路 5V INDSTRL UART 2 C 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
SCC2692AC1B44 功能描述:UART 接口集成電路 5V INDSTRL UART 2 C 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
SCC2692AC1B44,528 功能描述:UART 接口集成電路 5V INDSTRL UART 2 C 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
SCC2692AC1B44,551 功能描述:UART 接口集成電路 5V INDSTRL UART 2 C 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
SCC2692AC1B44,557 功能描述:UART 接口集成電路 5V INDSTRL UART 2 C 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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