MEC1632 datasheet(159/636 Pages) MICROCHIP

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DS00001592B-page 159

MEC1632

8.6.2

EC-TO-HOST MAILBOX REGISTER

EC_HOST_MBOX[7:0]

An EC write to this register will set bit EC_WR in the Interrupt Source Register to ‘1b’. If enabled, setting bit EC_WR to

‘1b’ generates a Host SIRQ event as well was the external nEM_INT event. The EC can also read and write this register

at offset 101h.

Writes of a 1 to any bit in this register at offset 01h, by the Host or by the EC, will cause the bit to be cleared. Writes of

a 0 to any bit have no effect.

TABLE 8-5:

EC-TO-HOST MAILBOX REGISTER

HOST OFFSET

01h

8-Bit HOST SIZE

EC OFFSET

01h

8-Bit EC SIZE

POWER

VTR

00h nSYS_RST

DEFAULT

BUS

LPC SPB

BYTE0 BIT

D7D6

D5D4

D3D2D1

HOST TYPE

R/WC

EC TYPE

R/WC

BIT NAME

EC_HOST_MBOX[7:0]

TABLE 8-6:

EC-TO-HOST MAILBOX REGISTER

HOST OFFSET

-- HOST SIZE

EC OFFSET

101h

8-Bit EC SIZE

POWER

VTR

00h

nSYS_RST

DEFAULT

BUS

LPC SPB

BYTE0 BIT

D7D6

D5D4

D3D2D1

HOST TYPE

---

EC TYPE

R/WR/W

BIT NAME

EC_HOST_MBOX[7:0]

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