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參數(shù)資料
| 型號(hào)： | MC68HC05C0B |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, 4 MHz, MICROCONTROLLER, PDIP42 |
| 封裝： | SDIP-42 |
| 文件頁(yè)數(shù)： | 68/96頁(yè) |
| 文件大?。?/td> | 357K |
| 代理商： | MC68HC05C0B |
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Section 12: Serial Communications Interface
MOTOROLA
Page 61
MC68HC05C0 Specification Rev. 1.2
SECTION 12
SERIAL COMMUNICATIONS INTERFACE
12.1
OVERVIEW AND FEATURES
The SCI on the MC68HC05C0 is a full duplex UART type asynchronous system. The SCI
uses standard non-return-to-zero (NRZ) format (one start bit, eight or nine data bits, and
one stop bit). An on-chip baud rate generator derives standard baud rate frequencies from
the MCU oscillator. Both the transmitter and the receiver are double buffered so back-to-
back characters can be handled easily, even if the CPU is delayed in responding to the
completion of an individual character.The SCI transmitter and receiver are functionally
independent but use the same data format and baud rate prescalers.
12.1.1
SCI TWO-WIRE SYSTEM FEATURES:
Standard NRZ (mark/space) format
Advanced error detection method includes noise detection for noise
duration of up to one-sixteenth bit time
Full-duplex operation (Simultaneous Transmit and Receive)
Software programmable for one of 32 different baud rates
Different baud rates possible for transmit and receive
Software selectable word length (eight or nine bit words)
Separate transmitter and receiver enable bits
Interrupt or polled operation
Four separate enable bits available for interrupt control
12.1.2
SCI RECEIVER FEATURES:
Receiver wake-up function (idle line or address bit)
Idle line detect
Framing error detect
Noise detect
Overrun detect
Receiver data register full flag
12.1.3
SCI TRANSMITTER FEATURES:
Transmit data register empty flag
Transmit complete flag
Send break
Transmitter clock for synchronous transmission; phase and polarity are
software programmable
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC68HC05C0P | 8-BIT, 4 MHz, MICROCONTROLLER, PDIP40 |
| MC68HC05C0FN | 8-BIT, 4 MHz, MICROCONTROLLER, PQCC44 |
| MC68HC05C12AFN | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQCC44 |
| MC68HSC05C12AB | 8-BIT, MROM, 4.1 MHz, MICROCONTROLLER, PDIP42 |
| MC68HSC05C12ACP | 8-BIT, MROM, 4.1 MHz, MICROCONTROLLER, PDIP40 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC68HC05C0CP | 制造商:Motorola Inc 功能描述: |
| MC68HC05C12 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNITS |
| MC68HC05C12B | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNITS |
| MC68HC05C12CP | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNITS |
| MC68HC05C12P | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNITS |
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