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參數資料
型號: MC68HC05C8A
廠商: Motorola, Inc.
英文描述: Microcontrollers
中文描述: 微控制器
文件頁數: 77/158頁
文件大小: 773K
代理商: MC68HC05C8A
Serial Communications Interface (SCI)
SCI Operation
MC68HC05C8A
MC68HCL05C8A
MC68HSC05C8A
Rev. 5.0
Technical Data
MOTOROLA
Serial Communications Interface (SCI)
77
9.5.2.4 Receiver Noise Immunity
The data recovery logic samples each bit 16 times to identify and verify
the start bit and to detect noise. Any conflict between noise-detection
samples sets the noise flag (NF) in the SCSR. The NF bit is set at the
same time that the RDRF bit is set.
9.5.2.5 Framing Errors
If the data recovery logic does not detect a logic 1 where the stop bit
should be in an incoming character, it sets the framing error (FE) bit in
the SCSR. The FE bit is set at the same time that the RDRF bit is set.
9.5.2.6 Receiver Interrupts
Three sources can generate SCI receiver interrupt requests:
1.
Receive data register full (RDRF)
The RDRF bit in the SCSR
indicates that the receive shift register has transferred a character
to the SCDR.
2.
Receiver overrun (OR)
The OR bit in the SCSR indicates that
the receive shift register shifted in a new character before the
previous character was read from the SCDR.
3.
Idle input (IDLE)
The IDLE bit in the SCSR indicates that 10 or
11 consecutive logic 1s shifted in from the PD0/RDI pin.
相關PDF資料
PDF描述
MC68HC05C9A 8-Bit Microcontroller(8位微控制器)
MC68HCL05C9A 8-Bit Microcontroller(8位微控制器)
MC68HSC05C9A 8-Bit Microcontroller(8位微控制器)
MC68HC05F2 8-Bit Microcontroller Units (MCU).(8位微控制器)
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相關代理商/技術參數
參數描述
MC68HC05C8ACFN 制造商:Motorola Inc 功能描述:MicroController, 8-Bit, 44 Pin, Plastic, PLCC
MC68HC05C9 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:TECHNICAL DATA
MC68HC05C9A 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontrollers
MC68HC05C9AB 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontrollers
MC68HC05C9AFB 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontrollers
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