MC68HC908GR16 Datasheet, PDF (296/310 Pages) Motorola, Inc – Microcontrollers

Freescale Semiconductor, Inc.
Electrical Specifications
20.12.2 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
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
PLL jitter⁽³⁾
f_J
External clock input frequency
PLL disabled
f_OSC
External clock input frequency
PLL enabled
f_OSC
1. 5.0 V ± 10% V_DD
2. 3.3 V ± 10% V_DD
3. Deviation of average bus frequency over 2 ms. N = VCO multiplier.
Min
3.0
–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
5.5
125
100
—
40.0 M
40.0 M
255
4
4095
8
15
40.0 M
8.2
4.1
50
50
f_RCLK x
0.025% x
2^P N/4
32.8 M
Unit
V
o_C
kHz
kHz
Hz
Hz
Hz
MHz
MHz
ms
ms
Hz
Hz
—
1.5 M
Hz
Data Sheet
296
Electrical Specifications
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Go to: www.freescale.com
MC68HC908GR16 — Rev. 1.0
MOTOROLA