MC9S12D64MFUE Freescale, MC9S12D64MFUE Datasheet - Page 111

• Manufacturer Part Number: MC9S12D64MFUE
• Manufacturer: Freescale

Specifications of MC9S12D64MFUE

• Cpu Family: HCS12
• Device Core Size: 16b
• Frequency (max): 25MHz
• Interface Type: CAN/I2C/SCI/SPI
• Total Internal Ram Size: 4KB
• # I/os (max): 49
• Number Of Timers - General Purpose: 8
• Operating Supply Voltage (typ): 2.5/5V
• Operating Supply Voltage (max): 2.75/5.25V
• Operating Supply Voltage (min): 2.35/4.5V
• On-chip Adc: 2(8-chx10-bit)
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Mounting: Surface Mount
• Pin Count: 80
• Package Type: PQFP
• Program Memory Type: Flash
• Program Memory Size: 64KB
• Lead Free Status / RoHS Status: Compliant

The relative deviation of t
number of clock periods (N).
Defining the jitter as:
For N < 100, the following equation is a good fit for the maximum jitter:
0
t
min1
t
nom
t
max1
J(N)
Figure A-4 Maximum bus clock jitter approximation
1
nom
J N
1
is at its maximum for one clock period, and decreases towards zero for larger
=
5
Figure A-3 Jitter Definitions
max 1
2
J N
10
–
t
t
-------------------- -
N t
minN
max
=
t
maxN
------- -
nom
j
1
N
3
N
+
,
j
2
20
1
MC9S12DJ64 Device User Guide — V01.20
–
-------------------- -
N t
t
min
nom
N
N-1
N
N
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