mc68hc11k4 Freescale Semiconductor, Inc, mc68hc11k4 Datasheet - Page 125

• Manufacturer Part Number: mc68hc11k4
• Description: Mc68hc11k1 Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

M68HC11K Family
MOTOROLA
DELAY 4064 E CYCLES
POWER-ON RESET
(POR)
LOAD PROGRAM COUNTER
Figure 5-8. Processing Flow Out of Reset (Sheet 1 of 2)
WITH CONTENTS OF
(VECTOR FETCH)
$FFFE, $FFFF
PRIORITY
HIGHEST
Freescale Semiconductor, Inc.
For More Information On This Product,
EXTERNAL RESET
1A
Go to: www.freescale.com
Resets and Interrupts
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
STACK CPU
REGISTERS
Reset and Interrupt Processing
LOAD PROGRAM COUNTER
WITH CONTENTS OF
(WITH NOCOP = 0)
(VECTOR FETCH)
COP WATCHDOG
$FFFA, $FFFB
Resets and Interrupts
TIMEOUT
PRIORITY
LOWEST
Technical Data
125