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參數資料
型號: MC68HC05C8A
廠商: Motorola, Inc.
英文描述: Microcontrollers
中文描述: 微控制器
文件頁數: 96/158頁
文件大小: 773K
代理商: MC68HC05C8A
Serial Peripheral Interface (SPI)
Technical Data
MC68HC05C8A
MC68HCL05C8A
MC68HSC05C8A
Rev. 5.0
96
Serial Peripheral Interface (SPI)
MOTOROLA
10.6.3 Serial Peripheral Data I/O Register
The serial peripheral data I/O register is used to transmit and receive
data on the serial bus. Only a write to this register will initiate
transmission/reception of another byte, and this will occur only in the
master device. At the completion of transmitting a byte of data, the SPIF
status bit is set in both the master and slave devices.
When the user reads the serial peripheral data I/O register, a buffer is
actually being read. The first SPIF must be cleared by the time a second
transfer of the data from the shift register to the read buffer is initiated or
an overrun condition will exist. In cases of overrun, the byte which
causes the overrun is lost.
A write to the serial peripheral data I/O register is not buffered and places
data directly into the shift register for transmission.
Address: $000C
Bit 7
6
5
4
3
2
1
Bit 0
Read:
SPD7
SPD6
SPD5
SPD4
SPD3
SPD2
SPD1
SPD0
Write:
Reset
Unaffected by reset
Figure 10-6. SPI Data Register (SPSR)
相關PDF資料
PDF描述
MC68HC05C9A 8-Bit Microcontroller(8位微控制器)
MC68HCL05C9A 8-Bit Microcontroller(8位微控制器)
MC68HSC05C9A 8-Bit Microcontroller(8位微控制器)
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相關代理商/技術參數
參數描述
MC68HC05C8ACFN 制造商:Motorola Inc 功能描述:MicroController, 8-Bit, 44 Pin, Plastic, PLCC
MC68HC05C9 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:TECHNICAL DATA
MC68HC05C9A 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontrollers
MC68HC05C9AB 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontrollers
MC68HC05C9AFB 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontrollers
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