IDT Installation of the EB64H16 Eval Board
EB64H16 Eval Board Manual
2 - 8
January 16, 2007
Notes
PCI Express Serial Data Transmit Termination Voltage Converter
A DC-DC converter (U6) provides a 1.5V PCI Express serial data transmit termination voltage (VTT) to
the PES64H16.
PCI Express Digital Power Voltage Converter
A separate DC-DC converter (U7) provides a 1.0V PCI Express digital power voltage (VDDPE) to the
PES64H16.
PCI Express Analog Power Voltage Converter
A separate DC-DC converter (U28) provides a 1.0V PCI Express analog power voltage (VDDAPE) to
the PES64H16.
Core Logic Voltage Converter
A separate DC-DC converter (U1) provides the 1.0V core voltage (VDDCORE) to the PES64H16.
3.3V I/O Power Module
A separate DC-DC converter (U17) provides the 3.3V I/O voltage (VDDIO) to the PES64H16.
Power-up Sequence
The power-up sequence must be as following:
1. VDDIO - 3.3V
2. VDDCORE, VDDAPE, VDDPE - 1.0V
3. VTTPE - 1.5V
When powering up, each voltage level must ramp up and stabilize prior to applying the next voltage in
the sequence to ensure internal latch-up issues are avoided. There are no maximum time limitations
between sequential valid power level requirements.
Required Jumpers
To deliver power to the PES64H16 switch, the following jumpers must be shunted: W151, W152,
WW153, W154, W155. These jumpers were implemented so that the power consumption of the PES64H16
can be measured.
Heatsink Requirement
The PES64H16 with a maximum power dissipation of 13W will require a heatsink. The EB64H16 evalu-
ation board utilizes Molex heatsink with integrated fan.
Reset
The PES64H16 supports two types of reset mechanisms as described in the PCI Express specification:
–
Fundamental Reset: This is a system-generated reset that propagates along the PCI Express
tree through a single side-band signal PERST# which is connected to the Root Complex, the
PES64H16, and the endpoints.
–
Hot Reset: This is an In-band Reset, communicated downstream via a link from one device to
another. Hot Reset may be initiated by software. This is further discussed in the 89HPES64H16
User Manual. The EB64H16 evaluation board provides seamless support for Hot Reset.
Summary of Contents for 89EBPES48H12
Page 4: ...IDT Table of Contents EB64H16 Eval Board Manual ii January 16 2007 Notes...
Page 6: ...IDT Table of Contents EB64H16 Eval Board Manual iv January 16 2007 Notes...
Page 8: ...IDT List of Figures EB64H16 Eval Board Manual vi January 16 2007 Notes...
Page 38: ...IDT Installation of the EB64H16 Eval Board EB64H16 Eval Board Manual 2 26 January 16 2007...
Page 40: ...IDT Software for the EB64H16 Eval Board EB64H16 Eval Board Manual 3 2 January 16 2007 Notes...
Page 41: ...Notes EB64H16 Eval Board Manual 4 1 January 16 2007 Chapter 4 Schematics Schematics...
