LPC61W492 Ver la hoja de datos (PDF) - SMSC -> Microchip

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LPC61W492

Integrated Super I/O Controller for LPC Bus with Game and MIDI Ports/Plus Hardware Monitoring Functions

SMSC -> Microchip 

General Purpose I/O Port

General Purpose I/O Port 1 (Power source is Vcc)

General Purpose I/O Port 2 (Power source is Vcc)

SYMBOL

PIN

I/O

FUNCTION

GP20

MSI

119 I/OD12t General purpose I/O port 2 bit 0.

INt

MIDI serial data input. Schmitt trigger input with internal

pull-up register. (Default)

GP21

(SCL)

92 I/OD12t General purpose I/O port 2 bit 1.

INts (Alternate Function: Serial Bus Clock. For LPC61W492

Only)

GP22

(SDA)

91 I/OD12t General purpose I/O port 2 bit 2.

I/OD12ts (Alternate Function: Serial Bus bi-directional Data.

For LPC61W492 Only)

GP23

PLED

90 I/OD24t General purpose I/O port 2 bit 3.

OD24t Alternate Function Output: (Default)

Power LED output, this signal is low after system reset.

GP24

WDTO

89 I/OD12t General purpose I/O port 2 bit 4. (Default)

OD12t Alternate Function :

Watch dog timer output.

GP25

IRRX

GP26

IRTX

GP27

DRVDEN1

IRQIN1

88 I/OD24t General purpose I/O port 2 bit 5.

INts Alternate Function Input: Infrared Receiver input.

87 I/OD24t General purpose I/O port 2 bit 6.

OUT12t Alternate Function Output: Infrared Transmitter Output.

2

I/OD24t General purpose I/O port 2 bit 7.

OD24t Drive Density Select bit 0.

INt

Alternate Function Input: Interrupt channel input.

19

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