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參數(shù)資料
| 型號(hào)： | MC68HC05C9ECFB |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQFP44 |
| 封裝： | QFP-44 |
| 文件頁(yè)數(shù)： | 126/144頁(yè) |
| 文件大?。?/td> | 1628K |
| 代理商： | MC68HC05C9ECFB |
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Serial Communications Interface (SCI)
Advance Information
MC68HC05C9E
82
Serial Communications Interface (SCI)
MOTOROLA
T8 — Bit 8 (Transmitted)
When the SCI is transmitting 9-bit characters, T8 is the ninth bit of the
transmitted character. T8 is loaded into the transmit shift register at
the same time that the SCDR is loaded into the transmit register.
Resets have no effect on the T8 bit.
M — Character Length Bit
This read/write bit determines whether SCI characters are 8 bits long
or 9 bits long. The ninth bit can be used as an extra stop bit, as a
receiver wakeup signal, or as a mark or space parity bit. Resets have
no effect on the M bit.
1 = 9-bit SCI characters
0 = 8-bit SCI characters
WAKE — Wakeup Method Bit
This read/write bit determines which condition wakes up the SCI: a
logic 1 (address mark) in the most significant bit (MSB) position of a
received character or an idle condition on the PD0/RDI pin. Resets
have no effect on the WAKE bit.
1 = Address mark wakeup
0 = Idle line wakeup
9.12.3 SCI Control Register 2
SCI control register 2 (SCCR2), shown in Figure 9-10, has these
functions:
Enables the SCI receiver and SCI receiver interrupts
Enables the SCI transmitter and SCI transmitter interrupts
Enables SCI receiver idle interrupts
Enables SCI transmission complete interrupts
Enables SCI wakeup
Transmits SCI break characters
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC68HC05C9EP | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP40 |
| MC68HC05C9ECP | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP40 |
| MC68HC05C9FB | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQFP44 |
| MC68HC05C9CB | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP42 |
| MC68HC05C9FN | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQCC44 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC68HC05C9ECP | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontrollers |
| MC68HC05CT4FB | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:General Release Specification |
| MC68HC05CT4FN | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:General Release Specification |
| MC68HC05D9 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:8-bit microcomputer with PWM outputs and LED drive |
| MC68HC05E0 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:High-density complementary metal oxide semiconductor (HCMOS) microcontroller unit |
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