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參數(shù)資料
| 型號(hào)： | LPC47M14L-NC |
| 廠商： | SMSC Corporation |
| 英文描述： | EZ STIX CABLE INSTALLER STICKS |
| 中文描述： | 128引腳ENGANCED超級(jí)I / O與LPC接口和USB集線器控制器 |
| 文件頁(yè)數(shù)： | 14/205頁(yè) |
| 文件大小： | 1219K |
| 代理商： | LPC47M14L-NC |
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SMSC DS – LPC47M14X
Page 14
Rev. 03/19/2001
Note 8:
The GP24 /SYSOPT pin requires an external pulldown resistor to put the base IO address for configuration
at 0x02E. An external pullup resistor is required to move the base IO address for configuration to 0x04E.
Note 9:
External pullups must be placed on the nKBDRST and A20M pins. These pins are GPIOs that are inputs
after an initial power-up (VTR POR). If the nKBDRST and A20M functions are to be used the system must
ensure that these pins are high. See Section “Pins That Require External Pullup Resistor”.
Note 10:
The LED pins are powered by VTR so that the LEDs can be controlled when the part is under VTR power.
Note 11:
The 48MHz clock input must not be driven high when VTR = 0V.
Note 12:
VTR is used to power the USB cable transceivers. VTR must not be connected to VCC.
Note 13:
When the specified USB Down Stream Ports are disabled via the Strp0/Strp1 bit or nStrp1/nStrp0 Pins, the
associated Over-current sense pins (nUSBOC[x]) and Power Enable (nPWREN[4:1]) pins are also
disabled. The USB Down Stream Port nUSBOC[x] input pin can be a NC (No Connect) pin for existing
designs or tied High (1). For EMI and reduced Noise sensitivity, it is recommended that the pin be tied High
(1). The Power Enable (nPWREN[x]) pin will be forced low (0).
Note 14:
When a 24MHz crystal oscillator is used, these pins need off-balance capacitive loading. It is suggested to
use a 22pf capacitor on ICLK and a 10pf capacitor on OCLK.
3.1
Note:
The buffer type values are specified at VCC=3.3V
IO12
Input/Output, 12mA sink, 6mA source.
O12
Output, 12mA sink, 6mA source.
OD12
Open Drain Output, 12mA sink.
O6
Output, 6mA sink, 3mA source.
O8
Output, 8mA sink, 4mA source.
OD8
Open Drain Output, 8mA sink.
OD14
Open Drain Output, 14mA sink.
OP14
Output, 14mA sink, 14mA source.
IOP14
Input/Output, 14mA sink, 14mA source. Back-drive protected.
IOD16
Input/Output (Open Drain), 16mA sink.
IO8
Input/Output, 8mA sink, 4mA source.
O24
Output, 24mA sink, 12mA source.
I
Input TTL Compatible.
IPU
Input TTL Compatible. With 30ua internal Pull Up
IS
Input with Schmitt Trigger.
PCI_IO
Input/Output. These pins must meet the PCI 3.3V AC and DC Characteristics. (Note 1)
PCI_O
Output. These pins must meet the PCI 3.3V AC and DC Characteristics. (Note 1)
PCI_I
Input. These pins must meet the PCI 3.3V AC and DC Characteristics. (Note 1)
PCI_ICLK
Clock Input. These pins must meet the PCI 3.3V AC and DC Characteristics and timing. (Note 2)
IOUSB
Buffer Type for the USB differential data lines. Defined in the “Operational Description”
section according to the USB specification; V1.1
Note 1:
See the “PCI Local Bus Specification,” Revision 2.1, Section 4.2.2.
Note 2:
See the “PCI Local Bus Specification,” Revision 2.1, Section 4.2.2 and 4.2.3.
BUFFER TYPE DESCRIPTIONS
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LPC47M14M-NC | 制造商:SMSC 制造商全稱:SMSC 功能描述:128 PIN ENGANCED SUPER I/O CONTROLLER WITH AN LPC INTERFACE AND USB HUB |
| LPC47M14N-NC | 制造商:SMSC 制造商全稱:SMSC 功能描述:128 PIN ENGANCED SUPER I/O CONTROLLER WITH AN LPC INTERFACE AND USB HUB |
| LPC47M14O-NC | 制造商:SMSC 制造商全稱:SMSC 功能描述:128 PIN ENGANCED SUPER I/O CONTROLLER WITH AN LPC INTERFACE AND USB HUB |
| LPC47M14P-NC | 制造商:SMSC 制造商全稱:SMSC 功能描述:128 PIN ENGANCED SUPER I/O CONTROLLER WITH AN LPC INTERFACE AND USB HUB |
| LPC47M14Q-NC | 制造商:SMSC 制造商全稱:SMSC 功能描述:128 PIN ENGANCED SUPER I/O CONTROLLER WITH AN LPC INTERFACE AND USB HUB |
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