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LPC47M172_07 Datasheet

  • LPC47M172_07

  • SMSC Corporation [Advanced I/O Controller with Motherboard ...

  • 1113.49KB

  • SMSC   SMSC

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Advanced I/O Controller with Motherboard GLUE Logic
Datasheet
time the pin will reflect the state of the transmit output of the Serial Port 2 block. This is a VCC powered
pin.
Note 10:
These pins are internally pulled down to VSS only until Serial Port 2 is enabled. Once Serial Port 2 is
enabled, the pull-downs are removed until VTR POR.
Note 11:
Pin 117 is used to select the mode of the logical device numbering. This pin affects the LD_NUM bit in the
TEST 7 register (configuration register 0x29), which is used to select logical device numbering in the
LPC47M172. See Table 6.1 - Super I/O Block Logical Device Number and Addresses. The pin has an
internal pull-down resistor that selects the non-SMSC (Intel Compatible) mode. To select this mode, the
pin should be left unconnected. Connecting this pin to VTR will select the SMSC mode of the logical
device numbering.
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:
Buffer Name Descriptions
Refer to the 鈥淓lectrical Characteristics鈥?section.
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 鈥?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)
See the 鈥淧CI Local Bus Specification,鈥?Revision 2.1, Section 4.2.2.
See the 鈥淧CI Local Bus Specification,鈥?Revision 2.1, Section 4.2.2 and 4.2.3.
SMSC/Non-SMSC Register Sets (Rev.
01-11-07)
Page 22
SMSC LPC47M172
DATASHEET

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