MEC1404 View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

MEC1404

Keyboard and Embedded Controller Products for Notebook PC

Microchip Technology 

MEC140X/1X

Interface

LPC HOST INTERFACE

Signal Name

LFRAME#

LPC HOST INTERFACE

LPC HOST INTERFACE

LPCPD#

LRESET#

LPC HOST INTERFACE

LPC HOST INTERFACE

LPC HOST INTERFACE

LPC HOST INTERFACE

LPC HOST INTERFACE

Master Clock Interface

Master Clock Interface

nEC_SCI

nEMI_INT

nSMI

PCI_CLK

SER_IRQ

XTAL1

XTAL2

MISC Functions

MISC Functions

MISC Functions

MISC Functions

MISC Functions

MISC Functions

MISC Functions

MISC Functions

MISC Functions

MISC Functions

MISC Functions

MISC Functions

PECI Interface

Power Interface

Power Interface

Power Interface

Power Interface

32KHZ_OUT

A20M

KBRST

LED0

LED1

LED2

nRESET_IN

nRESET_OUT

TFDP_CLK

TFDP_DATA

VCC_PWRGD

XNOR

PECI_DAT

ADC_VREF

AVSS

DAC_VREF

VBAT

Description

Notes

Frame signal. Indicates start of

new cycle and termination of

broken cycle

LPC Power Down

LPC Reset. LRESET# is the

same as the system PCI reset,

PCIRST#

Power Management Event

EMI Interrupt Output

SMI Output

PCI Clock

Serial IRQ

32.768 KHz Crystal Output

Note 1

32.768 KHz Crystal Input

(single-ended 32.768 KHz clock

input)

32.768 KHz Digital Output

KBD GATEA20 Output

CPU_RESET

LED (Bllinking/Breathing PWM)

PWM Output 0

LED (Bllinking/Breathing PWM)

PWM Output 1

LED (Bllinking/Breathing PWM)

PWM Output 2

External System Reset Input

EC-driven External System

Reset Output

Trace FIFO debug port - clock

Note 5

Trace FIFO debug port - data

System Main Power Indication

Test Output

PECI Bus

ADC Reference Voltage

Note 12

Analog ADC supply associated

ground

DAC Reference Voltage

VBAT supply

DS00001956D-page 28

 2015 - 2016 Microchip Technology Inc.

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