Datasheet

Table 22. 16 MHz RC Oscillator electrical specifications (continued)
Symbol Parameter Conditions Value Unit
Min Typ Max
F
Untrimmed
IRC frequency (untrimmed) — 10.16 — 22.02 MHz
PTA IRC frequency variation after trimming — -5 — 5 %
T
startup
Startup time — — 1 us
T
STJIT
Cycle to cycle jitter — — 1.5 %
T
LTJIT
Long term jitter — — 0.02 %
I
VDDHV
Current consumption on 3.3 V power
supply
After T
startup
— — 75 µA
I
VDDLV
Current consumption on 1.2 V power
supply
After T
startup
— — 25 µA
NOTE
The above start up time of 1 us is equivalent to 16 cycles of 16
MHz.
4.2.4 128 KHz Internal RC oscillator Electrical specifications
Table 23. 128 KHz Internal RC oscillator electrical specifications
Symbol Parameter Condition Min Typ Max Unit
F
oscu
1
Oscillator
frequency
Uncalibrated 96 128 200 KHz
Fosc
1
Calibrated 122 128 134 KHz
Temperature
dependence
270 ppm/C
Supply
dependence
10 %/V
Supply current Clock running 2.75 µA
Clock stopped 200 nA
1. Vdd=1.2 V, 1.32V, T
a
=-40 C, 125 C
4.2.5 PLL electrical specifications
Table 24. PLL electrical specifications
Parameter Min Typ Max Unit Comments
Input Frequency 8 40 MHz
Input Clock Low Level 0 0 0 Square wave clock
Input Clock High Level 1.08 1.2 1.32 V Square wave clock
VCO Frequency Range 600 1280 MHz
Table continues on the next page...
Clocks and PLL interfaces modules
MPC5748G Microcontroller Datasheet Data Sheet, Rev. 2, 05/2014.
Freescale Semiconductor, Inc.
Preliminary
29