參數(shù)資料
型號: MC68HC705C9ACP
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: Microcontrollers
中文描述: 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDIP40
封裝: PLASTIC, DIP-40
文件頁數(shù): 105/160頁
文件大小: 2076K
代理商: MC68HC705C9ACP
Serial Peripheral Interface (SPI)
SPI Signal Description
MC68HC705C9A — Rev. 4.0
Advance Information
MOTOROLA
Serial Peripheral Interface (SPI)
For More Information On This Product,
Go to: www.freescale.com
105
Figure 10-1. Data Clock Timing Diagram
10.4.1 Master In Slave Out (MISO)
The MISO line is configured as an input in a master device and as an
output in a slave device. It is one of the two lines that transfer serial data
in one direction, with the most significant bit sent first. The MISO line of
a slave device is placed in the high-impedance state if the slave is not
selected.
10.4.2 Master Out Slave In (MOSI)
The MOSI line is configured as an output in a master device and as an
input in a slave device. It is one of the two lines that transfer serial data
in one direction with the most significant bit sent first.
MSB
5
3
6
4
2
1
0
INTERNAL STROBE FOR DATA CAPTURE (ALL MODES)
MISO/MOSI
SCK
SCK
SCK
SCK
SS
CPOL = 0
CPHA = 0
CPOL = 0
CPHA = 1
CPOL = 1
CPHA = 1
CPOL = 1
CPHA = 0
F
Freescale Semiconductor, Inc.
n
.
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