mc68hc11d0cfn2 Freescale Semiconductor, Inc, mc68hc11d0cfn2 Datasheet - Page 58

• Manufacturer Part Number: mc68hc11d0cfn2
• Description: M68hc11 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Resets, Interrupts, and Low-Power Modes
Data Sheet
58
DELAY 4064 E CYCLES
POWER-ON RESET
(POR)
LOAD PROGRAM COUNTER
WITH CONTENTS OF
(VECTOR FETCH)
Figure 4-4. Processing Flow Out of Reset (Sheet 1 of 2)
$FFFE, $FFFF
PRIORITY
HIGHEST
Freescale Semiconductor, Inc.
For More Information On This Product,
EXTERNAL RESET
1A
Resets, Interrupts, and Low-Power Modes
Go to: www.freescale.com
Y
BEGIN INSTRUCTION
SET BITS S, I, AND X
RESET MCU
HARDWARE
SEQUENCE
PIN LOW?
CCR = 1?
BIT X IN
XIRQ
2A
N
N
LOAD PROGRAM COUNTER
CLOCK MONITOR FAIL
WITH CONTENTS OF
(VECTOR FETCH)
(WITH CME = 1)
$FFFC, $FFFD
Y
SET BITS I AND X
FETCH VECTOR
$FFF4, $FFF5
REGISTERS
STACK CPU
LOAD PROGRAM COUNTER
WITH CONTENTS OF
(WITH NOCOP = 0)
COP WATCHDOG
(VECTOR FETCH)
$FFFA, $FFFB
MC68HC711D3 — Rev. 2
TIMEOUT
PRIORITY
LOWEST
MOTOROLA