MEC1404 Datasheet, PDF (210/572 Pages) Microchip Technology – Keyboard and Embedded Controller Products for Notebook PC

MEC140X/1X
12.9.13 APPLICATION ID REGISTER
Offset ^0Ch
Bits
Description
Type
Default
Reset
Event
7:0 APPLICATION_ID
R/W
When this field is 00h it can be written with any value. When set to
a non-zero value, writing that value will clear this register to 00h.
When set to a non-zero value, writing any value other than the cur-
rent contents will have no effect.
0h
nSYSR
ST
12.10 EC-Only Registers
The registers listed in the EC-Only Register Summary table are for a single instance of the Embedded Memory Interface
(EMI). The addresses of each register listed in this table are defined as a relative offset to the host “Base Address”
defined in the EC-Only Register Base Address Table.
TABLE 12-4: EC-ONLY REGISTER BASE ADDRESS TABLE
Block Instance
EMI
Instance
Number
0
Host
EC
Address Space
32-bit internal
address space
Base Address
000F_0100h
The Base Address indicates where the first register can be accessed in a particular address space for a block instance.
TABLE 12-5: EC-ONLY REGISTER SUMMARY
Offset
00h
01h
04h
08h
0Ah
0Ch
10h
12h
14h
16h
Register Name (Mnemonic)
HOST-to-EC Mailbox Register
EC-to-HOST Mailbox Register
Memory Base Address 0 Register
Memory Read Limit 0 Register
Memory Write Limit 0 Register
Memory Base Address 1 Register
Memory Read Limit 1 Register
Memory Write Limit 1 Register
Interrupt Set Register
Host Clear Enable Register
DS00001956D-page 210
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