MEC1404 Datasheet, PDF (242/572 Pages) Microchip Technology – Keyboard and Embedded Controller Products for Notebook PC

MEC140X/1X
14.13.8 EC2OS DATA EC BYTE 3 REGISTER
This register is aliased; see ACPI-OS DATA BYTES[3:0] on page 232, OS2EC DATA BYTES[3:0] on page 239, and
EC2OS DATA BYTES[3:0] on page 241 for detailed description of access rules.
Offset ^103h
Bits
Description
7:0 EC2OS_DATA_BYTE_3
This is byte 3 of the 32-bit EC2OS DATA BYTES[3:0].
Type
R/W
Default
0h
Reset
Event
nSYSR
ST
14.13.9 EC STATUS REGISTER
This register is aliased to the OS STATUS OS Register on page 234. The OS STATUS OS Register is a read only version
of this register.
Offset ^104h
Bits
7 UD0A
User Defined
Description
Type
R/W
Default
0b
Reset
Event
nSYSR
ST
6 SMI_EVT
R/W
See SMI_EVT bit in OS STATUS OS Register on page 234 for bit
description.
5 SCI_EVT
R/W
See SMI_EVT bit in OS STATUS OS Register on page 234 for bit
description.
4 BURST
R/W
See BURST bit in OS STATUS OS Register on page 234 for bit
description.
3 CMD
R
See CMD bit in OS STATUS OS Register on page 234 for bit
description.
2 UD1A
R/W
User Defined
0b
nSYSR
ST
0b
nSYSR
ST
0b
nSYSR
ST
0b
nSYSR
ST
0b
nSYSR
ST
1 IBF
See IBF bit in OS STATUS OS Register on page 234 for bit
description.
0 OBF
See OBF bit in OS STATUS OS Register on page 234 for bit
description.
R
0h
nSYSR
ST
R
0h
nSYSR
ST
DS00001956D-page 242
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