参数资料
型号: MC8640DTHX1250HE
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 1250 MHz, MICROPROCESSOR, CBGA1023
封装: 33 X 33 MM, CERAMIC, FCBGA-1023
文件页数: 84/130页
文件大小: 1495K
代理商: MC8640DTHX1250HE
MPC8640 and MPC8640D Integrated Host Processor Hardware Specifications, Rev. 3
Freescale Semiconductor
57
High-Speed Serial Interfaces (HSSI)
Figure 37 shows the AC timing diagram for the I2C bus.
Figure 37. I2C Bus AC Timing Diagram
13 High-Speed Serial Interfaces (HSSI)
The MPC8640D features two Serializer/Deserializer (SerDes) interfaces to be used for high-speed serial
interconnect applications. The SerDes1 interface is dedicated for PCI Express data transfers. The SerDes2
can be used for PCI Express and/or serial RapidIO data transfers.
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.
13.1
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.
Sr
S
SDA
SCL
tI2CF
tI2SXKL
tI2CL
tI2CH
tI2DXKL
tI2DVKH
tI2SXKL
tI2SVKH
tI2KHKL
tI2PVKH
tI2CR
tI2CF
PS
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