MITX-CORE-820 datasheet(69/104 Pages) EMERSON-NETWORKPOWER

Teilenummer	MITX-CORE-820

Bauteilbeschribung	Installation and Use

PDF	104 Pages

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Hersteller	EMERSON-NETWORKPOWER [Emerson Network Power]

Direct Link	http://www.emersonnetworkpower.com

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Firmware

MITX-CORE-820 Installation and Use (6806800M10D)

5.2.7

EC Command Register

There are seven valid commands for the EC command register (Write IO 66h). Other values are

ignored by the EC if it is being written.

Burst Enable

1 - Enables the burst

0 - Disables the burst

Flag

1 = Previous access port is command port (EC_CMD/EC_STS)

0 = Previous access port is data port

2Reserved

IBF

Input buffer full flag

OBF

Output buffer full flag

Table 5-4 EC Status I/O Port Register (continued)

Status Bit

Name

Description

Table 5-5 EC Command Register

Value

Command

Description

80h

EC Read

Read operation for an internal register in EC space

81h

EC Write

Write operation for an internal register in EC space

82h

EC Burst Enable

Enable EC burst operation mode

83h

EC Burst Disable

Disable EC burst operation mode

84h

EC Query

Query the SCI event queue

Others

Firmware Command

No responded from hardware EC.

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