MEC1404 Datasheet, PDF (126/572 Pages) Microchip Technology – Keyboard and Embedded Controller Products for Notebook PC

MEC140X/1X
4.10.2 DATA REGISTER
Offset ^01h
Bits
Description
Type
7:0 DATA
R/W
The DATA register, which is part of the Configuration Port, is used
to read or write data to the register currently being selected by the
INDEX Register.
Note: For a description of accessing the Configuration Port
see Section 4.8.3, "Configuration Port," on page 110
Default
0h
Reset
Event
nSYSR
ST
4.11 EC-Only Registers
Note: EC-Only registers are not accessible by the LPC interface.
The registers listed in Table 4-19, "EC-Only Register Summary" are for a single instance of the LPC Interface. Their
addresses are defined as a relative offset to the host base address defined in TABLE 4-18:.
The following table defines the fixed host base address for each LPC Interface instance.
TABLE 4-18: EC-ONLY REGISTER ADDRESS RANGE TABLE
INSTANCE NAME
LPC Interface
INSTANCE
NUMBER
0
HOST
EC
ADDRESS
SPACE
32-bit internal
address space
BEGIN ADDRESS
000F_3100h
Note: The Begin Address indicates where the first register can be accessed in a particular address space for a
block instance.
TABLE 4-19: EC-ONLY REGISTER SUMMARY
Offset
04h
08h
0Ch
10h
14h
18h
20h
24h
28h
Register Name
LPC Bus Monitor Register
Host Bus Error Register
EC SERIRQ Register
EC Clock Control Register
Test Register
Test Register
I/O BAR Inhibit Register
Reserved
Reserved
DS00001956D-page 126
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