IDT 89HPES64H16G2 User Manual page 41

IDT PES64H16G2 Device Overview
Notes
PES64H16G2 User Manual
Signal Type
REFRES08 I/O Port 8 External Reference Resistor. Provides a reference for the Port 8
SerDes bias currents and PLL calibration circuitry. A 3 kOhm +/- 1% resis-
tor should be connected from this pin to ground.
REFRES09 I/O Port 9 External Reference Resistor. Provides a reference for the Port 9
SerDes bias currents and PLL calibration circuitry. A 3 kOhm +/- 1% resis-
tor should be connected from this pin to ground.
REFRES10 I/O Port 10 External Reference Resistor. Provides a reference for the Port 10
SerDes bias currents and PLL calibration circuitry. A 3 kOhm +/- 1% resis-
tor should be connected from this pin to ground.
REFRES11 I/O Port 11 External Reference Resistor. Provides a reference for the Port 11
SerDes bias currents and PLL calibration circuitry. A 3 kOhm +/- 1% resis-
tor should be connected from this pin to ground.
REFRES12 I/O Port 12 External Reference Resistor. Provides a reference for the Port 12
SerDes bias currents and PLL calibration circuitry. A 3 kOhm +/- 1% resis-
tor should be connected from this pin to ground.
REFRES13 I/O Port 13 External Reference Resistor. Provides a reference for the Port 13
SerDes bias currents and PLL calibration circuitry. A 3 kOhm +/- 1% resis-
tor should be connected from this pin to ground.
REFRES14 I/O Port 14 External Reference Resistor. Provides a reference for the Port 14
SerDes bias currents and PLL calibration circuitry. A 3 kOhm +/- 1% resis-
tor should be connected from this pin to ground.
REFRES15 I/O Port 15 External Reference Resistor. Provides a reference for the Port 15
SerDes bias currents and PLL calibration circuitry. A 3 kOhm +/- 1% resis-
tor should be connected from this pin to ground.
REFRESPLL I/O PLL External Reference Resistor. Provides a reference for the PLL bias
currents and PLL calibration circuitry. A 3K Ohm +/- 1% resistor should be
connected from this pin to ground.
V CORE I Core V
DD
V I/O I I/O V
DD
V PEA I PCI Express Analog Power. Serdes analog power supply (1.0V).
DD
V PEHA I PCI Express Analog High Power. Serdes analog power supply (2.5V).
DD
V PETA I PCI Express Transmitter Analog Voltage. Serdes transmitter analog
DD
power supply (1.0V).
V I Ground.
SS
Table 1.10 Power, Ground, and SerDes Resistor Pins (Part 2 of 2)
1 - 17
Name/Description
Power supply for core logic (1.0V).
DD.
LVTTL I/O buffer power supply (2.5V or preferred 3.3V).
DD.
April 5, 2013