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41210 Serial to Parallel PCI Bridge Developer’s Manual 23
Signal Description
2.10 Voltage Pins
§ §
Table 10. Miscellaneous Pins
Signal Number Description
RCOMP 1
Analog Compensation Pin: RCOMP is the analog compensation pin for PCI. Pull down to
ground through a 100 Ω ±1% resistor.
VCC 36 1.5 V Core Voltage: 1.5 V ± 5%.
VCCAPE 1
Analog PCI Express* Voltage:
• DC: 1.5 V ± 3%
• AC: ±5 mV above 1 MHz at package pin under DC load conditions
VCCAPCI[2:0] 3 Analog PCI Voltages: 1.5 V ±3%
VCCBGPE 1
Analog Band-gap Voltage:
• DC: 2.5 V ±3%
• AC: ±10 mV above 1 MHz at package pin under DC load conditions
VSSBGPE 1 Analog Band-gap Ground
VCCPE 9 1.5 V PCI Express* Voltage: 1.5 V ±3%
VCC33 30 3.3 V PCI I/O Voltage: 3.3 V ±5%.
VSS 142 Ground: Ground for all voltage rails
VSSAPE 1 Analog PCI Express* Ground
Total
225