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參數(shù)資料
| 型號： | 908E624 |
| 廠商： | Motorola, Inc. |
| 英文描述： | TRIPLE HIGH-SIDE SWITCH WITH EMBEDDED MCU AND LIN |
| 中文描述： | 三重高邊開關(guān)與嵌入式微控制器和LIN |
| 文件頁數(shù)： | 25/32頁 |
| 文件大?。?/td> | 453K |
| 代理商： | 908E624 |
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Analog Integrated Circuit Device Data
Freescale Semiconductor
25
908E624
Functional Description
Functional Device Operation
LOGIC COMMANDS AND REGISTERS
908E624 SPI INTERFACE AND CONFIGURATION
The serial peripheral interface creates the communication
link between the microcontroller and the analog die of the
908E624.
The interface consists of four terminals (see
Figure 15
):
SS
—Slave Select
MOSI—Master-Out Slave-In
MISO—Master-In Slave-Out
SPSCK—Serial Clock
A complete data transfer via the SPI consists of 1 byte.
The master sends 8 bits of control information and the slave
replies with 8 bits of status data.
Figure 15. SPI Protocol
During the inactive phase of the
SS
(High), the new data
transfer is prepared.
The falling edge of the
SS
indicates the start of a new data
transfer and puts the MISO in the low-impedance state and
latches the analog status data (Register read data).
With the rising edge of the SPI clock, SPSCK the data is
moved to MISO/MOSI terminals. With the falling edge of the
SPI clock SPSCK the data is sampled by the Receiver.
The data transfer is only valid if exactly 8 sample clock
edges are present in the active (low) phase of
SS
.
The rising edge of the slave select
SS
indicates the end of
the transfer and latches the write data (MOSI) into the
register The
SS
high forces MISO to the high impedance
state.
D7
D6
D5
D4
D3
D2
D1
D0
D7
D6
D5
D4
D3
D2
D1
D0
Register write data
Register read data
Rising edge of SPSCK
Change MISO/MOSI Output
Falling edge of SPSCK
Sample MISO/MOSI Input
Write data latch
SS
MOSI
MISO
SPSCK
Read data latch
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 908E624_10 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Triple High Side Switch with Embedded MCU and LIN Serial Communicationfor Relay Drivers |
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| 908E625_10 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Quad Half H-Bridge with Power Supply, Embedded MCU, and LIN Serial Communication |
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