XC68HC11A8MFS4 View Datasheet(PDF) - Freescale Semiconductor

Part Name

Description

Manufacturer

XC68HC11A8MFS4

ROM-based high-performance microcontrollers

Freescale Semiconductor 

Freescale Semiconductor, Inc.

HIGHEST

PRIORITY

POWER-ON RESET

(POR)

DELAY 4064 E CYCLES

EXTERNAL RESET

LOAD PROGRAM COUNTER

WITH CONTENTS OF

$FFFE, $FFFF

(VECTOR FETCH)

CLOCK MONITOR FAIL

(WITH CME = 1)

LOAD PROGRAM COUNTER

WITH CONTENTS OF

$FFFC, $FFFD

(VECTOR FETCH)

LOWEST

PRIORITY

COP WATCHDOG

TIMEOUT

(WITH NOCOP = 0)

LOAD PROGRAM COUNTER

WITH CONTENTS OF

$FFFA, $FFFB

(VECTOR FETCH)

5-12

SET BITS S, I, AND X

RESET MCU

HARDWARE

1A

BEGIN INSTRUCTION

SEQUENCE

Y

BIT X IN

CCR = 1?

N

XIRQ

Y

PIN LOW?

N

2A

STACK CPU

REGISTERS

SET BITS I AND X

FETCH VECTOR

$FFF4, $FFF5

Figure 5-1 Processing Flow out of Reset (1 of 2)

FLOW OUT OF RESET P1

RESETS AND INTERRUPTS

For More Information On This Product,

Go to: www.freescale.com

TECHNICAL DATA

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