MEC1404 Datasheet, PDF (143/572 Pages) Microchip Technology – Keyboard and Embedded Controller Products for Notebook PC

MEC140X/1X
Offset ^0Ch
Bits
Description
Type
3 HOLD_OUT_ENABLE
R/W
1=HOLD SPI Output Port is driven
0=HOLD SPI Output Port is not driven
2 HOLD_OUT_VALUE
R/W
This bit sets the value on the HOLD SPI Output Port if it is driven.
1=HOLD is driven to 1
0=HOLD is driven to 0
1 WRITE_PROTECT_OUT_ENABLE
R/W
1=WRITE PROTECT SPI Output Port is driven
0=WRITE PROTECT SPI Output Port is not driven
0 WRITE_PROTECT_OUT_VALUE
R/W
This bit sets the value on the WRITE PROTECT SPI Output Port if
it is driven.
1=WRITE PROTECT is driven to 1
0=WRITE PROTECT is driven to 0
6.11.5 QMSPI STATUS REGISTER
Default
0h
Reset
Event
RESET
1h
RESET
0h
RESET
1h
RESET
Offset ^10h
Bits
Description
Type
31:28 Reserved
R
27:24 CURRENT_DESCRIPTION_BUFFER
R
This field shows the Description Buffer currently active. This field
has no meaning if Description Buffers are not enabled.
23:17 Reserved
R
16 TRANSFER_ACTIVE
R
1=A transfer is currently executing
0=No transfer currently in progress
15 RECEIVE_BUFFER_STALL
R/WC
1=The SPI interface had been stalled due to a flow issue (an
attempt by the interface to write to a full Receive Buffer)
0=No stalls occurred
Default
-
0h
Reset
Event
-
RESET
-
-
0h
RESET
0h
RESET
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DS00001956D-page 143