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MEC1632 Datasheet(PDF) 201 Page - Microchip Technology

Part # MEC1632
Description  Low Power 32-Bit Mobile Embedded Controller
PDF  636 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MEC1632 Datasheet(HTML) 201 Page - Microchip Technology

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 2012-2018 Microchip Technology Inc.
DS00001592B-page 201
MEC1632
Note 10-8
• All examples assume that the SAEN configuration bit is 0.
• “Q” indicates the bit remains set at the previous state.
• *Not a standard sequence.
• **XX = Anything except D1.
• If multiple data bytes, set IBF and wait at state 0. Let the software know something unusual happened.
• For data bytes, only D[1] is used; all other bits are don't care.
Note 10-9
Refer to the GATEA20 Hardware Speed-up description for information on this register. A write to this
register sets GATEA20.
Note 10-10
Refer to the GATEA20 Hardware Speed-up description for information on this register. A write to this
register re-sets GATEA20.
1
1
0
1
W
W
W
W
D1
D1
DD
FF
0
0
0
0
Q
Q
0
0
GATEA20 Turn-off Sequence(*)
1
1
1
W
W
W
D1
XX**
FF
0
1
1
Q
Q
Q
Invalid Sequence
TABLE 10-19: SETGA20L REGISTER
HOST OFFSET
NA
8-bit HOST SIZE
EC OFFSET
108h
8-bit EC SIZE
POWER
VTR
00h nSYS_RST
DEFAULT
BUS
LPC SPB
BYTE3 BIT
D7D6
D5D4
D3D2D1
D0
HOST TYPE
-
-
-
---
--
EC TYPE
W
BIT NAME
TABLE 10-20: RSTGA20L REGISTER
HOST OFFSET
NA
8-bit HOST SIZE
EC OFFSET
10Ch
8-bit EC SIZE
POWER
VTR
00h
nSYS_RST
DEFAULT
BUS
LPC SPB
BYTE3 BIT
D7D6
D5D4
D3D2D1
D0
HOST TYPE
-
-
-
---
--
EC TYPE
W
BIT NAME
TABLE 10-18: GATEA20 COMMAND/DATA SEQUENCE EXAMPLES (CONTINUED)
Data
Byte
R/W
D[0:7]
IBF FLAG
GATEA20
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