Advanced I/O Controller with Motherboard GLUE Logic
Datasheet
SIGNAL NAME
GP20
PWR WELL PCI RESET
VCC POR
VTR POR
NOTES
are multiplexed on the same
pin with DDC as the default
function. DDC function
requires external pull-up to
VCC5V.
-
-
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
DDCSCL_5V
GP21
Hi-Z
Hi-Z
VTR
-
-
DDCSDA_3V
GP22
Hi-Z
Hi-Z
The DDC and GPIO functions
are multiplexed on the same
pin with DDC as the default
function. DDC function
requires external pull-up to
VCC.
VTR
-
-
DDCSCL_3V
GP23
Hi-Z
Hi-Z
-
VTR
-
Test Mode pin. This pin has
internally pull-down to VSS.
External pull-up required to
enable the test mode.
TEST_EN
VTR
-
-
Input
Revision 1.8 SMSC/Non-SMSC Register Sets (02-24-05)
28
SMSC LPC47M182
DATASHEET
SMSC [ SMSC CORPORATION ]
