mc68hc08qa24 Freescale Semiconductor, Inc, mc68hc08qa24 Datasheet - Page 395

• Manufacturer Part Number: mc68hc08qa24
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

23.11 CGM Acquisition/Lock Time Information
23.12 Timer Module Characteristics
MC68HC08QA24
Freescale Semiconductor
Tracking mode entry frequency tolerance
Acquisition mode entry frequency
Lock entry frequency tolerance
Lock exit frequency tolerance
Reference cycles per acquisition
Reference cycles per tracking
Automatic Lock Timer
PLL jitter, deviation of average
Input capture pulse width
Input clock pulse width
1. V
2. For Typ = 25°C, N/L = 66. For Max: T
3. This parameter is periodically sampled rather than 100% tested.
4. GBNT guaranteed but not tested
tolerance
mode measurement
mode measurement
bus frequency over 2 ms
DD
= 5.0 Vdc ± 10%, V
Description
(2)
Characteristic
,
SS
(3)
(1)
(4)
= 0 Vdc, T
A
A
= –40°C to +125°C, unless otherwise noted.
= –40°C, N/L = 77
Electrical Specifications
Symbol
∆
∆
∆
∆
n
n
t
Lock
ACQ
TRK
UNT
Lock
UNL
TRK
—
± 6.3%
± 0.9%
Min
—
—
—
0
0
0
t
Symbol
TCH,
t
TIH,
4.35 ms
Typ
128
32
—
—
—
—
—
t
t
TIL
TCL
(1/f
x (.025%) x (N/4)
OP
Min
125
± (f
7.00 ms
± 3.6%
± 7.2%
± 0.9%
± 1.8%
) + 5
Max
—
—
CRYS
Electrical Specifications
)
Max
—
—
Technical Data
N = VCO
Freq. Mult.
(GBNT)
Notes
Unit
ns
ns
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