MC9S12DG256BVPV Freescale Semiconductor, MC9S12DG256BVPV Datasheet - Page 111

• Manufacturer Part Number: MC9S12DG256BVPV
• Description: IC MCU 256K FLASH 25MHZ 112-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of MC9S12DG256BVPV

• Core Processor: HCS12
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: CAN, I²C, SCI, SPI
• Peripherals: PWM, WDT
• Number Of I /o: 91
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 12K x 8
• Voltage - Supply (vcc/vdd): 2.35 V ~ 5.25 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 112-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-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
Freescale Semiconductor, Inc.
is at its maximum for one clock period, and decreases towards zero for larger
For More Information On This Product,
=
5
Figure A-3 Jitter Definitions
max 1
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2
J N
10
–
t
t
-------------------- -
N t
minN
max
t
=
maxN
------- -
nom
j
1
N
3
N
+
MC9S12DP256B Device User Guide — V02.14
,
j
2
1
20
–
-------------------- -
N t
t
min
nom
N
N-1
N
N
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