參數資料
型號: MC68HSC05C9ACP
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 4.1 MHz, MICROCONTROLLER, PDIP40
封裝: PLASTIC, DIP-40
文件頁數: 134/162頁
文件大?。?/td> 1093K
代理商: MC68HSC05C9ACP
MC68HC05C9A Rev. 5.0
Advance Information
MOTOROLA
Serial Communications Interface (SCI)
73
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Advance Information — MC68HC05C9A
Section 9. Serial Communications Interface (SCI)
9.1 Content
9.2
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
9.3
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
9.4
SCI Receiver Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
9.5
SCI Transmitter Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76
9.6
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
9.7
Data Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
9.8
Receiver Wakeup Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . 78
9.8.1
Idle Line Wakeup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
9.8.2
Address Mark Wakeup . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
9.9
Receive Data In (RDI). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
9.10
Start Bit Detection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
9.11
Transmit Data Out (TDO) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82
9.12
SCI I/O Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
9.12.1
SCI Data Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
9.12.2
SCI Control Register 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
9.12.3
SCI Control Register 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
9.12.4
SCI Status Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
9.12.5
Baud Rate Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
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