MEC1404 View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

MEC1404

Keyboard and Embedded Controller Products for Notebook PC

Microchip Technology 

1.4.2 ESPI HOST SYSTEM BLOCK DIAGRAM

MEC140X/1X

CPU

S0 (Main)

Power

Supply

PECI 3.0

Interface

PCH

SPI Interface

Shared

Flash

Fans or

General

Use

2‐pin Debug

2‐pin Debug

Trace FIFO

Debug Port

LEDs

(3x)

VCC_PWRGD

TACHs (2)

PWMs (8)

32Khz

UART

ICSP or JTAG

TFDP

Breathing PWM

PS/2

PS/2

nRESET_OUT,

nRESET_IN,

RSMRST# (GPIO)

(Optional)

Voltage Monitoring

ADCs (8) (e.g., Thermistors,

Power Supplies)

MEC14xx

32‐Bit PC Embedded

Controller

Voltage Generator

DACs (2) (e.g., DC Controlled

Fans)

VCI_OUT

SYSPWR_PRES

S5 (Suspend)

Power Supply

VCI_OVRD_IN ACAVCHARGER

VCI_IN[1:0]# Power Button(s)

BGPO

Battery Powered

GPIO

BC‐Link (2x)

KeyScan

SMBus

SPI I/F

SMBus/I2C

PS/2

Mouse

PS/2

Keyboard

Keyboard

Battery

Pack

SMBus/I2C

Device (s)

GPIOs

BC‐Link

Companion

Chip(s)

Private SPI Flash

(accessible on

KeyScan pins)

 2015 - 2016 Microchip Technology Inc.

DS00001956D-page 9

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