MEC1322 datasheet(14/456 Pages) MICROCHIP

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MEC1322

DS00001719D-page 14

 2014 - 2015 Microchip Technology Inc.

TABLE 1-5:

NON BACKDRIVE PROTECTED PINS

1.4

Pin Description

1.4.1

OVERVIEW

The following tables describe the signal functions in the MEC1322 pin configuration. See Section 1.6, "Notes for Tables

in this Chapter," on page 39 for notes that are referenced in the Pin Description tables.

1.4.2

HOST INTERFACE

TABLE 1-6:

HOST INTERFACE

Pin Reference

Number

Pin Name

ADC4/GPIO062

ADC3/GPIO061

ADC2/GPIO060

ADC1/GPIO057

ADC0/GPIO056

LAD0/GPIO112

LAD1/GPIO114

LAD2/GPIO113

LAD3/GPIO111

LFRAME#/GPIO120

LRESET#/GPIO116

PCI_CLK/GPIO117

CLKRUN#/GPIO014

SER_IRQ/GPIO115

nRESET_OUT/GPIO121

XTAL2

XTAL1

VCC1_RST#/GPIO131

VREF_PECI

GPIO132/PECI_DAT

GPIO143/RSMRST#

125

GPIO025/I2C3_DAT0

HOST INTERFACE

(11 Pins)

Pin Ref. Number

Signal Name

Description

Notes

SER_IRQ

Serial IRQ

Note 1

LRESET#

LPC Reset. LRESET# is the same as the

system PCI reset, PCIRST#

PCI_CLK

PCI Clock

LFRAME#

Frame signal. Indicates start of new cycle and

termination of broken cycle

LAD0

LPC Multiplexed command, address and data

bus Bit 0.

Note 1

LAD1

LPC Multiplexed command, address and data

bus Bit 1.

Note 1

LAD2

LPC Multiplexed command, address and data

bus Bit 2.

Note 1

LAD3

LPC Multiplexed command, address and data

bus Bit 3.

Note 1

CLKRUN#

PCI Clock Control

nEC_SCI

Power Management Event

123

nSMI

SMI Output

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