MEC1322 Datasheet, PDF (88/456 Pages) Microchip Technology – Keyboard and Embedded Controller for Notebook PC

MEC1322
TABLE 5-12: LOGICAL DEVICE SIRQ ROUTING (CONTINUED)
SIRQ Interrupt Configuration
Register
Logical Device Interrupt Source
SELECT DEVICE FRAME
Logical Device
(Block Instance - Note 1:)
Interrupt Source
0
0
Bh
RTC
0
0
Ch
LPC interface
RTC
EC_IRQ
Note 1: The Block Instance number is only included if there are multiple instantiations of a block. Otherwise, single
block instances do not require this differentiation.
FIGURE 5-6:
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.
5.9 LPC Configuration Registers
The configuration registers listed in Table 5-14, "Configuration Register Summary" are for a single instance of the LPC
Interface. The addresses of each register listed in Table 5-14 are defined as a relative offset to the host “Begin Address”
defined in Table 5-13.
DS00001719D-page 88
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