Chapter 4 Interrupt (S12ZINTV0)
S12ZVHY/S12ZVHL Family Reference Manual Rev. 1.05
130
Freescale Semiconductor
Figure 4-1. INT Block Diagram
4.2
External Signal Description
The INT module has no external signals.
4.3
Memory Map and Register Definition
This section provides a detailed description of all registers accessible in the INT module.
4.3.1
Module Memory Map
gives an overview over all INT module registers.
Table 4-3. INT Memory Map
Address
Use
Access
0x000010–0x000011
Interrupt Vector Base Register (IVBR)
R/W
0x000012–0x000016
RESERVED
—
0x000017
Interrupt Request Configuration Address Register
(INT_CFADDR)
R/W
0x000018
Interrupt Request Configuration Data Register 0
(INT_CFDATA0)
R/W
Wake Up
Current
IVBR
One Set Per Channel
Interrupt
Requests
Interrupt Requests
CPU
Vector
Address
New
IPL
IPL
(Up to 117 Channels)
PRIOLVLn
Priority Level
= configuration bits from the associated
channel configuration register
IVBR
= Interrupt Vector Base
IPL
= Interrupt Processing Level
PRIOLVL0
PRIOLVL1
PRIOLVL2
Peripheral
To
C
P
U
Priority Decode
r
Non I Bit Maskable
Channels
Priority
Level
Filter
Highest Pending
IPL