S912XEP100J5MAG Freescale Semiconductor, S912XEP100J5MAG Datasheet - Page 1240
S912XEP100J5MAG
Manufacturer Part Number
S912XEP100J5MAG
Description
MCU 64K FLASH 144-LQFP
Manufacturer
Freescale Semiconductor
Series
HCS12r
Datasheet
1.S912XEP100J5MAG.pdf
(1328 pages)
Specifications of S912XEP100J5MAG
Core Processor
HCS12X
Core Size
16-Bit
Speed
50MHz
Connectivity
CAN, EBI/EMI, I²C, IrDA, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
119
Program Memory Size
1MB (1M x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
64K x 8
Voltage - Supply (vcc/vdd)
1.72 V ~ 5.5 V
Data Converters
A/D 24x12b
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Appendix A Electrical Characteristics
A.6.3
Phase Locked Loop
A.6.3.1
Jitter Information
With each transition of the clock f
, the deviation from the reference clock f
is measured and input
cmp
ref
voltage to the VCO is adjusted accordingly.The adjustment is done continuously with no abrupt changes
in the clock output frequency. Noise, voltage, temperature and other factors cause slight variations in the
control loop resulting in a clock jitter. This jitter affects the real minimum and maximum clock periods as
illustrated in
Figure
A-5.
1
2
3
N-1
N
0
t
min1
t
nom
t
max1
t
minN
t
maxN
Figure A-5. Jitter Definitions
The relative deviation of t
is at its maximum for one clock period, and decreases towards zero for larger
nom
number of clock periods (N).
MC9S12XE-Family Reference Manual , Rev. 1.23
1240
Freescale Semiconductor
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