LPC47M182 SMSC Corporation, LPC47M182 Datasheet - Page 23

• Manufacturer Part Number: LPC47M182
• Description: ADVANCED I/O CONTROLLER WITH MOTHERBOARD GLUE LOGIC
• Manufacturer: SMSC Corporation

Advanced I/O Controller with Motherboard GLUE Logic
Datasheet
3.1
Note:
PWR
I
IPU
IPD
IS
IS_400
ISPU_400
ISPD_400
O8
OD8
O12
OD12
OP14
OD24
AO
IO8
ISO8
ISOD8
IO12
IOP14
IOD24
IO_SW
PCI_IO
PCI_O
PCI_I
PCI_ICLK
Note 1:
Note 2:
3.2
SMSC LPC47M182
Buffer Name Descriptions
Refer to the “Electrical Characteristics” section.
Pins With Internal Resistors
The following pins have internal resistors:
See the “PCI Local Bus Specification,” Revision 2.1, Section 4.2.2.
See the “PCI Local Bus Specification,” Revision 2.1, Section 4.2.2 and 4.2.3.
nCPU_PRESENT
nFPRST
nPRIMARY_HD
PWRGD_PS
nSCSI
nSECONDARY_HD
TEST_EN
Power and Ground
Input TTL Compatible.
Input with 30uA Integrated Pull-Up
Input with 30uA Integrated Pull-Down
Input with 250mV Schmitt Trigger.
Input with 400mV Schmitt Trigger.
Input with 400mV Schmitt Trigger and 30uA Integrated Pull-Up.
Input with 400mV Schmitt Trigger and 30uA Integrated Pull-Down.
Output, 8mA sink, 4mA source.
Output (Open Drain), 8mA sink.
Output, 12mA sink, 6mA source.
Output (Open Drain), 12mA sink.
Output, 14mA sink, 14mA source.
Output (Open Drain), 24mA sink.
Output – Analog with 5V Level
Input/Output, 8mA sink, 4mA source.
Input with 250mV Schmitt Trigger /Output, 8mA sink, 4mA source.
Input with 250mV Schmitt Trigger, Low Leakage/Output (Open-Drain), 8mA sink.
Input with Schmitt Trigger/Output, 12mA sink, 6mA source.
Input/Output, 14mA sink, 14mA source.
Input/Output (Open Drain), 24mA sink.
Input/Output, special type. Pins of this type are connected in pairs through a switch. The switch
provides a 25 ohm (max) resistance to ground when closed.
Input/Output. These pins meet the PCI 3.3V AC and DC Characteristics. (Note 1)
Output. These pins meet the PCI 3.3V AC and DC Characteristics. (Note 1)
Input. These pins meet the PCI 3.3V AC and DC Characteristics. (Note 1)
Clock Input. These pins meet the PCI 3.3V AC and DC Characteristics and timing. (Note 2)
SIGNAL NAME
Table 3.2 – Pins with Internal Resistors
DATASHEET
30uA
30uA
30uA
30uA
30uA
30uA
30uA
RESISTOR VALUE
23
Pull-up to VTR
Pull-up to VTR
Pull-up to VCC
Pull-up to VTR
Pull-up to VCC
Pull-up to VCC
Pull-down to VSS
Revision 1.8 SMSC/Non-SMSC Register Sets (02-24-05)
NOTES