mc9s12e256 Freescale Semiconductor, Inc, mc9s12e256 Datasheet - Page 501

• Manufacturer Part Number: mc9s12e256
• Description: Hcs12 Microcontrollers 16-bit Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Chapter 17
Interrupt (INTV1)
17.1
This section describes the functionality of the interrupt (INT) sub-block of the S12 core platform.
A block diagram of the interrupt sub-block is shown in
Freescale Semiconductor
Introduction
VECTOR REQUEST
WRITE DATA BUS
RESET FLAGS
INTERRUPTS
XMASK
IMASK
Figure 17-1. INTV1 Block Diagram
MC9S12E256 Data Sheet, Rev. 1.08
INTERRUPT INPUT REGISTERS
AND CONTROL REGISTERS
HIGHEST PRIORITY
I-INTERRUPT
PRIORITY DECODER
QUALIFIED
INTERRUPTS
HPRIO (OPTIONAL)
INT
Figure
17-1.
READ DATA BUS
WAKEUP
INTERRUPT PENDING
VECTOR ADDRESS
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