MC68HC705X32CFU Freescale Semiconductor, MC68HC705X32CFU Datasheet - Page 33
MC68HC705X32CFU
Manufacturer Part Number
MC68HC705X32CFU
Description
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68HC705X32CFU.pdf
(232 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MC68HC705X32CFU4
Manufacturer:
FREESCALE
Quantity:
20 000
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MC68HC05X16
NO
Generate watchdog
wired-OR, external
interrupt
interrupt?
CIRQ,
YES
NO
Freescale Semiconductor, Inc.
YES
(1) Fetch reset vector or
(2) Service interrupt:
Stop oscillator and all
Wait for time delay to
Watchdog active?
Turn on oscillator.
a. stack
b. set I-bit
c. vector to interrupt
routine
For More Information On This Product,
Clear I bit.
MODES OF OPERATION AND PIN DESCRIPTIONS
stabilise
Reset ?
clocks.
STOP
YES
NO
Figure 2-4 STOP and WAIT flow charts
Go to: www.freescale.com
SCI, A/D, EEPROM clocks
(1) Fetch reset vector or
(2) Service interrupt:
active. Processor clocks
Restart processor clock
Oscillator active. Timer,
stopped. Clear I-bit
a. stack
b. set I-bit
c. vector to interrupt
YES
routine
Reset ?
WAIT
YES
WOI ?
NO
Timer interrupt ?
YES
NO
YES
SCI ?
NO
YES
CIRQ ?
NO
NO
2-9
2
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