Freescale Semiconductor MC68HC08KH12 - Manual (Page 257)

MC68HC(7)08KH12 — Rev. 1.1 Advance Information
Freescale Semiconductor 257
17.15 Clock Generation Module Characteristics
17.15.1 CGM Component Specifications
17.15.2 CGM Electrical Specifications
Characteristic Symbol Min Typ Max Unit
Crystal reference frequency
(1)
1. Fundamental mode crystals only
f
XCLK
6 MHz
Crystal load capacitance
(2)
2. Consult crystal manufacturer’s data.
C
L
— — — pF
Crystal fixed capacitance
(2)
C
1
20 pF
Crystal tuning capacitance
(2)
C
2
20 pF
Feedback bias resistor R
B
10 M
Ω
Series resistor R
S
0 k
Ω
NOTES:
Description Symbol Min Typ Max Unit
Operating voltage V
DD
4.0 — 5.5 V
Operating temperature T 0 25 70
o
C
Crystal reference frequency f
RCLK
6 MHz
VCO center-of-range frequency f
VRS
48 MHz
VCO multiply factor N 1 — 4095
VCO prescale multiplier 2
P
1 1 8
Reference divider factor R 1 1 15
VCO operating frequency f
VCLK
40 — 56 MHz