MC68HC811E2FN Freescale Semiconductor, MC68HC811E2FN Datasheet - Page 94

• 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

Resets and Interrupts
94
INTERRUPT?
SEE FIGURE
I4/O5I = 1?
PAOVI = 1?
OC2I = 1?
OC4I = 1?
SPIE = 1?
OC3I = 1?
PAII = 1?
TOI = 1?
N
N
N
N
N
N
N
N
N
SCI
5–3
2A
Figure 5-6. Interrupt Priority Resolution (Sheet 2 of 2)
Y
Y
Y
Y
Y
Y
Y
Y
Y
M68HC11E Family Data Sheet, Rev. 5.1
SPIF = 1? OR
I4/O5IF = 1?
MODF = 1?
PAOVF = 1
OC2F = 1?
OC4F = 1?
TOF = 1?
PAIF = 1?
OC3F = 1
FLAGS
FLAG
FLAG
FLAG
FLAG
FLAG
FLAG
FLAG
N
N
N
N
N
N
N
N
Y
Y
Y
Y
Y
Y
Y
Y
FETCH VECTOR
FETCH VECTOR
FETCH VECTOR
FETCH VECTOR
FETCH VECTOR
FETCH VECTOR
FETCH VECTOR
FETCH VECTOR
FETCH VECTOR
FETCH VECTOR
$FFDC, $FFDD
$FFDA, $FFDB
$FFDE, $FFDF
$FFD8, $FFD9
$FFD6, $FFD7
$FFE6, $FFE7
$FFE4, $FFE5
$FFE2, $FFE3
$FFE0, $FFE1
$FFF2, $FFF3
END
2B
Freescale Semiconductor