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MEC1322 датащи(PDF) 121 Page - Microchip Technology

номер детали MEC1322
подробное описание детали  Keyboard and Embedded Controller for Notebook PC
PDF  456 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MEC1322 датащи(HTML) 121 Page - Microchip Technology

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 2014 - 2015 Microchip Technology Inc.
DS00001719D-page 121
MEC1322
9.9.4
EC ADDRESS MSB REGISTER
9.9.5
EC DATA BYTE 0 REGISTER
1:0 ACCESS_TYPE
This field defines the type of access that occurs when the EC Data
Register is read or written.
11b=Auto-increment 32-bit access.
10b=32-bit access.
01b=16-bit access.
00b=8-bit access.
Each of these access types are defined in detail in Section 9.8.3,
"Access Types".
R/W
0h
VCC1_R
ESET
Offset
03h
Bits
Description
Type
Default
Reset
Event
7REGION
The field specifies which of two segments in the 32-bit internal
address space is to be accessed by the EC_Address[14:2] to gener-
ate accesses to the memory.
1= The address defined by EC_Address[14:2] is relative to the base
address specified by the Memory Base Address 1 Register.
0= The address defined by EC_Address[14:2] is relative to the base
address specified by the Memory Base Address 0 Register.
R/W
0h
VCC1_R
ESET
6:0 EC_ADDRESS_MSB
This field defines bits[14:8] of EC_Address. Bits[1:0] of the EC_Ad-
dress are always forced to 00b.
The EC_Address is aligned on a DWord boundary. It is the address
of the memory being accessed by EC Data Byte 0 Register, which is
an offset from the programmed base address of the selected
REGION.
R/W
0h
VCC1_R
ESET
Offset
04h
Bits
Description
Type
Default
Reset
Event
7:0 EC_DATA_BYTE_0
This is byte 0 (Least Significant Byte) of the 32-bit EC Data Register.
Use of the Data Byte registers to access EC memory is defined in
detail in Section 9.8.2, "EC Data Register".
R/W
0h
VCC1_R
ESET
Offset
02h
Bits
Description
Type
Default
Reset
Event



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