
CGM Electrical Specification
MC68HC908AP A-Family Data Sheet, Rev. 3
Freescale Semiconductor
303
22.10 CGM Electrical Specification
Table 22-10. CGM Electrical Specications
Characteristic
Symbol
Min
Typ
Max
Unit
Reference frequency
fRDV
1
—
8
MHz
Range nominal multiplies
fNOM
—
125
—
kHz
VCO center-of-range frequency
fVRS
125k
—
40M
Hz
VCO range linear range multiplier
L
1
—
255
VCO power-of-two-range multiplier
2E
1—4
VCO multiply factor
N
1
—
4095
VCO prescale multiplier
2P
1—8
Reference divider factor
R
1
15
VCO operating frequency
fVCLK
125k
—
40M
Hz
Manual acquisition time
tLOCK
—
50
ms
Automatic lock time
tLOCK
—
50
ms
PLL jitter(1)
1. Deviation of average bus frequency over 2ms. N = VCO multiplier.
fJ
0—
fRCLK ×
0.025%
× 2P
N/4
Hz