MC68HC711K4CFN3 Freescale Semiconductor, MC68HC711K4CFN3 Datasheet - Page 248
MC68HC711K4CFN3
Manufacturer Part Number
MC68HC711K4CFN3
Description
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68HC711K4CFN3.pdf
(290 pages)
Specifications of MC68HC711K4CFN3
Cpu Family
HC11
Device Core Size
8b
Frequency (max)
4MHz
Interface Type
SCI/SPI
Program Memory Type
ROM
Program Memory Size
24KB
Total Internal Ram Size
768Byte
Number Of Timers - General Purpose
8
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
84
Package Type
PLCC
Lead Free Status / Rohs Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68HC711K4CFN3
Manufacturer:
MOLEX
Quantity:
12 000
Part Number:
MC68HC711K4CFN3
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
20 000
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Memory Expansion and Chip Selects
11.4.5 Clock Stretching
Technical Data
248
G1DG2
0
0
0
0
1
1
1
1
G1DPC
0
0
1
1
0
0
1
1
G2DPC
0
1
0
1
0
1
0
1
Chip select and bus control signals are synchronized with the external
E clock. To accommodate devices that are slower than the MCU, the
E clock can be stretched when a chip select is asserted so that it remains
high for one to three extra bus cycles. During this stretch, which can
occur only during accesses to addresses in that chip select’s address
range, the other clocks continue running normally, maintaining the
integrity of the timers and baud generators. Each chip select has two
associated bits in the chip-select clock stretch (CSCSTR) register that
set its clock stretching from zero (disabled) to three cycles.
Table 11-8. One Chip Select Driving Another
Freescale Semiconductor, Inc.
When Address is in:
or general 1 or 2 area
or general 1 or 2 area
A valid program area
A valid program area
For More Information On This Product,
Program CS Pin
or general 2 area
or general 1 area
or general 2 area
or general 1 area
A valid program
A valid program
A valid program
A valid program
A valid program
A valid program
Memory Expansion and Chip Selects
is Asserted
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A valid general 2 area
A valid general 2 area
A valid general 2 area
When Address is in:
General 2 CS Pin
or general 1 area
A valid general 2
Never asserted
Never asserted
Never asserted
Never asserted
is Asserted
A valid general 1 area
A valid general 1 area
A valid general 1 area
When Address is in:
General 1 CS Pin
Never asserted
Never asserted
Never asserted
Never asserted
Never asserted
is Asserted
M68HC11K Family
MOTOROLA
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