Chapter 6 Interrupt (S12XINTV2)
MC9S12XE-Family Reference Manual , Rev. 1.19
264
Freescale Semiconductor
6.1.4
Block Diagram
shows a block diagram of the XINT module.
Figure 6-1. XINT Block Diagram
6.2
External Signal Description
The XINT module has no external signals.
Wake Up
Current
RQST
IVBR
One Set Per Channel
XGATE
Interrupts
XGATE
Requests
Interrupt
Requests
Interrupt Requests
CPU
Vector
Address
New
IPL
IPL
(Up to 108 Channels)
RQST
XGATE Request Route,
PRIOLVLn
Priority Level
= bits from the channel configuration
in the associated configuration register
INT_XGPRIO
= XGATE Interrupt Priority
IVBR
= Interrupt Vector Base
IPL
= Interrupt Processing Level
PRIOLVL0
PRIOLVL1
PRIOLVL2
INT_XGPRIO
Peripheral
Vector
ID
To XGATE Module
Priority
Decoder
T
o CPU
Pr
ior
ity
Decoder
Non I Bit Maskable
Channels
Wake up
XGATE
IRQ Channel
Because
of
an
order
from
the
United
States
International
Trade
Commission,
BGA-packaged
product
lines
and
part
numbers
indicated
here
currently
are
not
available
from
Freescale
for
import
or
sale
in
the
United
States
prior
to
September
2010:
S12XE
products
in
208
MAPBGA
packages