參數資料
型號: MC68HSC05C9A
廠商: Motorola, Inc.
元件分類: 8位微控制器
英文描述: 8-Bit Microcontroller(8位微控制器)
中文描述: 8位微控制器(8位微控制器)
文件頁數: 89/160頁
文件大小: 783K
代理商: MC68HSC05C9A
MC68HC05C9A
Rev. 4.0
General Release Specification
MOTOROLA
Serial Peripheral Interface
89
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General Release Specification — MC68HC05C9A
Section 10. Serial Peripheral Interface
10.1 Content
10.2
10.3
10.4
10.4.1
10.4.2
10.4.3
10.4.4
10.5
10.6
10.6.1
10.6.2
10.6.3
Introduction...............................................................................89
Features....................................................................................90
SPI Signal Description..............................................................90
Master In Slave Out (MISO)................................................91
Master Out Slave In (MOSI)................................................91
Serial Clock (SCK) ..............................................................92
Slave Select (SS)................................................................92
Functional Description..............................................................93
SPI Registers............................................................................95
Serial Peripheral Control Register (SPCR) .........................95
Serial Peripheral Status Register (SPSR)...........................97
Serial Peripheral Data I/O Register (SPDR)........................99
10.2 Introduction
The serial peripheral interface (SPI) is an interface built into the device
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.
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