MC68HC705X32CFU Freescale Semiconductor, MC68HC705X32CFU Datasheet - Page 142

• Manufacturer Part Number: MC68HC705X32CFU
• Manufacturer: Freescale Semiconductor

Specifications of MC68HC705X32CFU

• Cpu Family: HC05
• Device Core Size: 8b
• Frequency (max): 4MHz
• Interface Type: SCI
• Program Memory Type: EPROM
• Program Memory Size: 32KB
• Total Internal Ram Size: 528Byte
• # I/os (max): 32
• Number Of Timers - General Purpose: 1
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4.5V
• On-chip Adc: 8-chx8-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 64
• Package Type: PQFP
• Lead Free Status / Rohs Status: Supplier Unconfirmed

10
external interrupt?
internal interrupt?
internal interrupt?
MCAN interrupt?
Freescale Semiconductor, Inc.
IRQ or WOI
Is I-bit set?
Fetch next
instruction
instruction
Execute
Timer
CIRQ
Reset
SCI
For More Information On This Product,
NO
NO
NO
NO
NO
Figure 10-4 Interrupt flow chart
RESETS AND INTERRUPTS
Go to: www.freescale.com
YES
YES
YES
YES
request latch
Clear IRQ
Timer IC: $3FF8-$3FF9
Timer OC: $3FF6-$3FF7
Timer OVF:$3FF4-$3FF5
Load PC from:
IRQ:
SCI:
MCAN:
routine and execute
Complete interrupt
PC, X, A, CC
Set I-bit
$3FFA-$3FFB
$3FF2-$3FF3
$3FF0-$3FF1
Stack
RTI
MC68HC05X16
Rev. 1