MC68HC811E2FN Freescale Semiconductor, MC68HC811E2FN Datasheet - Page 91

• Manufacturer Part Number: MC68HC811E2FN
• Manufacturer: Freescale Semiconductor

Specifications of MC68HC811E2FN

• Cpu Family: HC11
• Device Core Size: 8b
• Frequency (max): 4MHz
• Interface Type: SCI/SPI
• Program Memory Type: ROMLess
• Program Memory Size: Not Required
• Total Internal Ram Size: 256Byte
• # I/os (max): 38
• Number Of Timers - General Purpose: 8
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 3V
• On-chip Adc: 8-chx8-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 52
• Package Type: PLCC
• Lead Free Status / Rohs Status: Supplier Unconfirmed

Freescale Semiconductor
DELAY 4064 E CYCLES
POWER-ON RESET
(POR)
LOAD PROGRAM COUNTER
WITH CONTENTS OF
(VECTOR FETCH)
Figure 5-5. Processing Flow Out of Reset (Sheet 1 of 2)
PRIORITY
$FFFE, $FFFF
HIGHEST
EXTERNAL RESET
1A
M68HC11E Family Data Sheet, Rev. 5.1
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
TIMEOUT
Low-Power Operation
PRIORITY
LOWEST
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