MEC1404 Datasheet, PDF (117/572 Pages) Microchip Technology – Keyboard and Embedded Controller Products for Notebook PC

MEC140X/1X
FIGURE 4-7:
SIRQ ROUTING INTERNAL LOGICAL DEVICES
LD 00h-Int0 ₀
LD 00h-Int1 ₁
LD 3Fh-Int0 ₀
LD 3Fh-Int1 ₁
LD 00h- Int






LD 3Fh- Int
0
SERIRQ_i
Source
1
SIRQ_i Conguration Register[7:0]
8
7
Frame
6
Device
Note: Two Logical Devices cannot share a Serial IRQ.
4.9 LPC Configuration Registers
The configuration registers listed in Table 4-12, "Configuration Register Summary" are for a single instance of the LPC
Interface. The addresses of each register listed in TABLE 4-12: are defined as a relative offset to the host “Begin
Address” defined in TABLE 4-11:.
TABLE 4-11: CONFIGURATION REGISTER ADDRESS RANGE TABLE
Instance NAME
LPC Interface
Instance
Number
0
0
Host
LPC
EC
Address Space
Configuration
Port
32-bit internal
address space
Begin Address
INDEX = 00h
000F_3300h
Note 4-9
The Begin Address indicates where the first register can be accessed in a particular address space
for a block instance.
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DS00001956D-page 117