MC68HC811E2FN Freescale Semiconductor, MC68HC811E2FN Datasheet - Page 93

• 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
Figure 5-6. Interrupt Priority Resolution (Sheet 1 of 2)
INTERRUPT
OC1I = 1 ?
RTII = 1 ?
NO
PRIORITY
NO
NO
NO
IC1I = 1 ?
NO
IC2I = 1 ?
NO
IC3I = 1 ?
NO
NO
HIGHEST
IN CCR
BEGIN
SET ?
X BIT
IRQ ?
2A
?
M68HC11E Family Data Sheet, Rev. 5.1
YES
YES
YES
YES
YES
YES
YES
YES
INTERRUPT
REAL-TIME
XIRQ PIN
OC1F ?
LOW ?
TIMER
IC1F ?
TIMER
IC2F ?
TIMER
IC3F ?
TIMER
?
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
SET X BIT IN CCR
FETCH VECTOR
FETCH VECTOR
FETCH VECTOR
FETCH VECTOR
FETCH VECTOR
FETCH VECTOR
FETCH VECTOR
FETCH VECTOR
$FFEE, FFEF
$FFEC, FFED
$FFEA, FFEB
$FFF4, FFF5
$FFF2, FFF3
$FFF0, FFF1
$FFE8, FFE9
2B
Low-Power Operation
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