MSC8157ETVT1000A Freescale Semiconductor, MSC8157ETVT1000A Datasheet - Page 75

• Manufacturer Part Number: MSC8157ETVT1000A
• Description: Digital Signal Processors & Controllers - DSP, DSC Qual 8157 EN FG 1GHz -45 to 105c
• Manufacturer: Freescale Semiconductor

Specifications of MSC8157ETVT1000A

• Rohs: yes
• Core: SC3850
• Data Bus Width: 32 bit
• Program Memory Size: 32 KB
• Data Ram Size: 512 KB
• Number Of Programmable I/os: 32
• Number Of Timers: 2
• Operating Supply Voltage: 0.97 V to 1.05 V
• Maximum Operating Temperature: + 105 C
• Package / Case: FCPBGA-783
• Mounting Style: SMD/SMT

3.6.2.2
SD_REF_CLK[1–2] and SD_REF_CLK[1–2] were designed to work with a spread spectrum clock (+0 to 0.5% spreading at
30–33 KHz rate is allowed), assuming both ends have the same reference clock and the industry protocol supports it. For better
results, use a source without significant unintended modulation.
3.6.2.3
The AC requirements for PCI Express implementations have separate requirements for the Tx and Rx lines. The MSC8157
supports a 2.5 Gbps or a 5.0 Gbps PCI Express interface defined by the PCI Express Base Specification, Revision 2.0. The 2.5
Gbps transmitter specifications are defined in
Freescale Semiconductor
V
V
SD_REF_CLKn
SD_REF_CLKn
IH
IL
= –200 mV
= +200 mV
0.0 V
Spread Spectrum Clock
PCI Express AC Physical Layer Specifications
Figure 14. Single-Ended Measurement Points for Rise and Fall Time Matching
–
Figure 13. Differential Measurement Points for Rise and Fall Time
Rise Edge Rate
MSC8157 Six-Core Digital Signal Processor Data Sheet, Rev. 1
Table 33
and the receiver specifications are defined in
Fall Edge Rate
Electrical Characteristics
Table
34. The 5.0 Gbps
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