MC68HC908GP20 Datasheet, PDF (397/406 Pages) Freescale Semiconductor, Inc – M68HC08 Microcontrollers

23.17.2 CGM Electrical Specifications
Description
Operating voltage
Operating temperature
Crystal reference frequency
Range nominal multiplier
VCO center-of-range frequency⁽¹⁾
Medium-voltage VCO center-of-range frequency⁽²⁾
VCO range linear range multiplier
VCO power-of-two range multiplier
VCO multiply factor
VCO prescale multiplier
Reference divider factor
VCO operating frequency
Bus operating frequency⁽¹⁾
Bus frequency @ medium voltage⁽²⁾
Manual acquisition time
Automatic lock time
PLL jitter⁽³⁾
Symbol
V_DD
T
f_RCLK
f_NOM
f_VRS
f_VRS
L
2^E
N
2^P
R
f_VCLK
f_BUS
f_BUS
t_Lock
t_Lock
f_J
External clock input frequency
PLL disabled
f_OSC
External clock input frequency
PLL enabled
f_OSC
Notes:
1. 5.0 V ± 10% V_DD
2. 3.0 V ± 10% V_DD
3. Deviation of average bus frequency over 2 ms. N = VCO multiplier.
Min
2.7
–40
30
—
38.4 k
38.4 k
1
1
1
1
1
38.4 k
—
—
—
—
0
dc
30 k
Typ
—
25
32.768
38.4
—
—
—
—
—
1
1
—
—
—
—
—
—
Max Unit
5.5
V
130
o_C
100
kHz
—
kHz
40.0 M Hz
40.0 M Hz
255
4
4095
8
15
40.0 M Hz
8.2
MHz
4.1
MHz
50
ms
50
ms
f_RCLK x
0.025% Hz
x 2^P N/4
—
32.8 M Hz
—
1.5 M Hz
MC68HC908GP20 — Rev 2.1
Freescale Semiconductor
Advance Information
397