mc68hc912dg128 Freescale Semiconductor, Inc, mc68hc912dg128 Datasheet - Page 406

• Manufacturer Part Number: mc68hc912dg128
• Description: M68hc12 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Electrical Specifications
Technical Data
406
STOP Key Wake-Up Filter time
Key Wake-Up Single Pulse Time Interval
PLL reference frequency, crystal oscillator range
Bus frequency
VCO range
VCO Limp-Home frequency
Lock Detector transition from Acquisition to
Lock Detection
Un-Lock Detection
Lock Detector transition from Tracking to
Minimum leakage resistance on crystal oscillator
PLL Stabilization delay
PLL Total Stabilization Delay
PLLON Acquisition mode stabilization delay.
PLLON tracking mode stabilization delay.
Wake-Up time
1. AUTO bit set
2. PLL stabilization delay is highly dependent on operational requirement and external component values (e.e. crystal, XFC
3.
Tracking mode
Acquisition mode
pins
f
filter component values|). Note
should be chosen based on operational requirement of system.
REF
= 4MHz,
f
(1)
BUS
Characteristic
Characteristic
Characteristic
= 8MHz (REFDV = #$00, SYNR = #$01), XFC:Cs = 33nF, Cp = 3.3nF, Rs = 2.7K .
Table 19-18. msCAN12 Wake-up Time from Sleep Mode
(2)
V
DD
= 5.0V dc ± 10%, V
(3)
Freescale Semiconductor, Inc.
(3)
For More Information On This Product,
Table 19-16. CGM Characteristics
shows typical delay values for a typical configuration. Appropriate XFC filter values
Table 19-17. Key Wake-up
(3)
Go to: www.freescale.com
(3)
Electrical Specifications
SS
5.0 Volts +/- 10%
= 0 Vdc, T
Symbol
f
VCOMIN
f
f
f
r
t
t
VCO
REF
BUS
stab
Lock
leak
acq
t
unl
unt
al
trk
A
Symbol
Symbol
= T
t
KWSTP
t
KWSP
t
wup
L
to T
0.004
0.5%
H,
Min.
0.5
2.5
0.5
3%
0%
6%
1
unless otherwise noted
Min.
Min.
20
2
2
Typ.
3
1
2
MC68HC912DG128 — Rev 3.0
Max.
Max.
10
5
Max.
1.5%
2.5%
4%
8%
2.5
8
8
8
MOTOROLA
Unit
Unit
MHz
MHz
MHz
MHz
Unit
M
—
—
—
—
ns
ns
ns
s
s
s