參數資料
型號： MC68HC705V8CFN
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PQCC68
封裝： PLASTIC, LCC-68
文件頁數： 3/172頁
文件大?。?/td> 890K
代理商： MC68HC705V8CFN
SECTION 14: SERIAL PERIPHERAL INTERFACE
MOTOROLA
Page 89
MC68HC705V8 Specification Rev. 2.1
SECTION 14
SERIAL PERIPHERAL INTERFACE
The Serial Peripheral Interface (SPI) is an interface which allows several MC68HC05
MCUs, or MC68HC05 MCU plus peripheral devices, to be interconnected within a single
printed circuit board. In an SPI, separate wires are required for data and clock. In the SPI
format, the clock is not included in the data stream and must be furnished as a separate
signal. An SPI system may be configured in one containing one master MCU and several
slave MCUs, or in a system in which an MCU is capable of being a master or a slave.
Features include:
Full duplex, three-wire synchronous transfers
Master or slave operation
Internal MCU clock divided by 2 (maximum) master bit frequency
Internal MCU clock (maximum) slave bit frequency
Four programmable master bit rates
Programmable clock polarity and phase
End of transmission interrupt flag
Write collision flag protection
Master-Master mode fault protection capability
14.1
SPI SIGNAL DESCRIPTION
The four basic signals (MOSI, MISO, SCK, SS) are described in the following paragraphs.
Each signal function is described for both the master and slave mode.
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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MC68HC711D3CFBE2 制造商:Freescale Semiconductor 功能描述:
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