MEC1632 datasheet(72/636 Pages) MICROCHIP

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MEC1632

DS00001592B-page 72

 2012-2018 Microchip Technology Inc.

5.7.1

SERIRQ CONFIGURATION REGISTERS

Note 5-4

The SIRQ Interrupt Configuration Registers are through the Host Access Port as 8-bit accesses. The

EC can access the SIRQ Interrupt Configuration Registers as 32-bit, 16-bit across 8-bit boundary or

as individual 8-bit accesses.

FRAME

These six bits select the Logical Device as the source for the interrupt.

This field defaults to 3Fh.

SELECT

If this bit is 0, the first interrupt signal from the Logical Device is selected for the SERIRQ vector. If this bit is 1, the second

interrupt signal from the Logical Device is selected. The KYBD controller is the only Logical Devices on the MEC1632

which has a second interrupt signal. For all other Logical Devices this field is ignored.

This field defaults to 1.

TABLE 5-9:

SIRQ INTERRUPT CONFIGURATION REGISTER MAP

Address

Type

Reset

Configuration Register Name

FF_3340h

R/W

FFh

IRQ0

FF_3341h

R/W

FFh

IRQ1

FF_3342h

R/W

FFh

IRQ2 (nSMI)

FF_3343h

R/W

FFh

IRQ3

FF_3344h

R/W

FFh

IRQ4

FF_3345h

R/W

FFh

IRQ5

FF_3346h

R/W

FFh

IRQ6

FF_3347h

R/W

FFh

IRQ7

FF_3348h

R/W

FFh

IRQ8

FF_3349h

R/W

FFh

IRQ9

FF_334Ah

R/W

FFh

IRQ10

FF_334Bh

R/W

FFh

IRQ11

FF_334Ch

R/W

FFh

IRQ12

FF_334Dh

R/W

FFh

IRQ13

FF_334Eh

R/W

FFh

IRQ14

FF_334Fh

R/W

FFh

IRQ15

TABLE 5-10:

SIRQ INTERRUPT CONFIGURATION REGISTER FORMAT

BYTE0 BIT

D5D4

D3D2D1D0

BIT NAME

Select

Reserved

Frame

Note:

The LPC Logical Device (Logical Device Number 0Ch) can be used by the Embedded Controller to gener-

ate a Serial Interrupt Request to the Host under software control.

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