mcf51ac256a Freescale Semiconductor, Inc, mcf51ac256a Datasheet - Page 296

• Manufacturer Part Number: mcf51ac256a
• Description: Mcf51ac Flexis
• Manufacturer: Freescale Semiconductor, Inc

Interrupt Controller (CF1_INTC)
vector associated with the request. The module also includes a byte-wide interface to access its
programming model. These interfaces are shown in the simplified block diagram of
13.1.2
The Version 1 ColdFire interrupt controller includes:
13-6
Enable
Wakeup
•
•
Memory-mapped off-platform slave module
— 64-byte space located at top end of memory: 0x(FF)FF_FFC0–0x(FF)FF_FFFF
— Programming model accessed via the peripheral bus
— Encoded interrupt level and vector sent directly to processor core
Support of 40 peripheral I/O interrupt requests plus seven software (one per level) interrupt
requests
Features
CF1_INTC
MCF51AC256 ColdFire Integrated Microcontroller Reference Manual, Rev. 5
Wakeup
mux
≥
>
Interrupt Source Number
Interrupt Level & Vector
to V1 ColdFire core
Figure 13-1. CF1_INTC Block Diagram
Prioritization
Vector Gen
and
≥
ipr
Vector Mux
IACK
INTC_WCR
Spurious Vector
Level n Vector
8
INTC_FRC
mux
data from module
8
data to module
decode
Freescale Semiconductor
Figure
address
Peripheral Bus
13-1.