參數(shù)資料
型號: MPC8379E-RDBA
廠商: Freescale Semiconductor
文件頁數(shù): 83/117頁
文件大?。?/td> 0K
描述: BOARD REF DESIGN MPC8379E
標準包裝: 1
系列: PowerQUICC II™ PRO
類型: MPU
適用于相關(guān)產(chǎn)品: MPC8379E
所含物品:
MPC8379E PowerQUICC II Pro Processor Hardware Specifications, Rev. 8
68
Freescale Semiconductor
This figure shows the SPI timing in slave mode (external clock).
Figure 46. SPI AC Timing in Slave Mode (External Clock) Diagram
This figure shows the SPI timing in master mode (internal clock).
Figure 47. SPI AC Timing in Master Mode (Internal Clock) Diagram
20 High-Speed Serial Interfaces (HSSI)
This chip features two serializer/deserializer (SerDes) interfaces to be used for high-speed serial
interconnect applications. See Table 1 for the interfaces supported.
This section describes the common portion of SerDes DC electrical specifications, which is the DC
requirement for SerDes reference clocks. The SerDes data lane’s transmitter and receiver reference circuits
are also shown.
20.1
Signal Terms Definition
The SerDes utilizes differential signaling to transfer data across the serial link. This section defines terms
used in the description and specification of differential signals.
Figure 48 shows how the signals are defined. For illustration purpose, only one SerDes lane is used for
description. The figure shows waveform for either a transmitter output (SDn_TX and SDn_TX) or a
receiver input (SDn_RX and SDn_RX). Each signal swings between A volts and B volts where A > B.
SPICLK (input)
tNEIXKH
tNEIVKH
tNEKHOV
Input Signals:
SPIMOSI
(See Note)
Output Signals:
SPIMISO
(See Note)
Note: The clock edge is selectable on SPI.
SPICLK (output)
tNIIXKH
tNIKHOV
Input Signals:
SPIMISO
(See Note)
Output Signals:
SPIMOSI
(See Note)
Note: The clock edge is selectable on SPI.
tNIIVKH
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