mc68hc11d0 Freescale Semiconductor, Inc, mc68hc11d0 Datasheet - Page 56

• Manufacturer Part Number: mc68hc11d0
• Description: Mc68hc11d0 Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

5-12
DELAY 4064 E CYCLES
POWER-ON RESET
(POR)
LOAD PROGRAM COUNTER
WITH CONTENTS OF
(VECTOR FETCH)
$FFFE, $FFFF
PRIORITY
HIGHEST
Figure 5-1 Processing Flow out of Reset (1 of 2)
Freescale Semiconductor, Inc.
For More Information On This Product,
EXTERNAL RESET
1A
RESETS AND INTERRUPTS
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
STACK CPU
REGISTERS
LOAD PROGRAM COUNTER
WITH CONTENTS OF
(WITH NOCOP = 0)
COP WATCHDOG
(VECTOR FETCH)
$FFFA, $FFFB
TECHNICAL DATA
TIMEOUT
FLOW OUT OF RESET P1
PRIORITY
LOWEST