User`s manual

USB

These signals connect to the two stacked USB connectors on the Tahoe board.

Table 30: USB Resource Assignment

Signal Source I/O Port Notes

USBPEN# HD64465 USBPEN#

USBOVR# HD64465 USBOVR#

USBD1P HD64465 USBD1P

USBD1M HD64465 USBD1N

USBD2P HD64465 USBD2P

USBD2M HD64465 USBD2N

AutoPC

AutoPC is typically not enabled.

Note that the AutoPC is in conflict with the E10 JTAG ports, so they are mutually exclusive.

Table 31: AutoPC Interrupt Resource Assignment

Signal Source I/O Port Notes

AUTOINT0 7709A/7729 PINT8/PTF0 Active State Low;

Uses PINT8

function

AUTOINT1 7709A/7729 PINT9/PTF1 Active State Low;

Uses PINT9

function

AUTOINT2 7709A/7729 PINT10/PTF2 Active State Low;

Uses PINT10

function

AUTOINT3 7709A/7729 PINT11/PTF3 Active State Low;

Uses PINT11

function

AUTOINT4 7709A/7729 PINT12/PTF4/TCK Active State Low;

Uses PINT12

function; doubles as

JTAG function

AUTOINT5 7709A/7729 PINT13/PTF5/TDI Active State Low;

Uses PINT13

function; doubles as

JTAG function

AUTOINT6 7709A/7729 PINT14/PTF6/TMS Active State Low;

Uses PINT14

function; doubles as

JTAG function

AUTOINT7 7709A/7729 PINT15/PTF7/TRST Active State Low;

Uses PINT15

function; doubles as

JTAG function

Sound System