21154BC Intel, 21154BC Datasheet - Page 23

• Manufacturer Part Number: 21154BC
• Manufacturer: Intel

Specifications of 21154BC

• Operating Temperature (min): 0C
• Operating Temperature Classification: Commercial
• Operating Temperature (max): 70C
• Package Type: BGA
• Rad Hardened: No
• Lead Free Status / Rohs Status: Not Compliant

Specification Clarifications
1.
21154 PCI-to-PCI Bridge Specification Update
Signal trst_l must be driven low to disable JTAG for normal operation
The signal trst_l resets the JTAG circuitry while asserted low. This signal also enables normal
JTAG TAP controller operation when high. For normal PCI-to-PCI bridge operation, disable JTAG
by pulling trst_l low using a 5K resistor.
Specification Clarifications
Intel Confidential23