MC68HC908GP32_08 Datasheet, PDF (253/266 Pages) Freescale Semiconductor, Inc – M68HC08 Microcontrollers

19.16.2 CGM Electrical Specifications
Description
Operating voltage
Operating temperature
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_RDV
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
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
Memory Characteristics
Typ
—
25
32.768
38.4
—
—
—
—
—
1
1
—
—
—
—
—
—
—
Max
5.5
85
100
—
40.0 M
40.0 M
255
4
4095
8
15
40.0 M
8.2
4.1
50
50
f_RCLK ×
0.025%
× 2^P N/4
32.8 M
Unit
V
°C
kHz
kHz
Hz
Hz
Hz
MHz
MHz
ms
ms
Hz
Hz
—
1.5 M
Hz
19.17 Memory Characteristics
Characteristic
RAM data retention voltage
FLASH program bus clock frequency
FLASH read bus clock frequency
FLASH page erase time
Limited endurance (<1 K cycles)
Maximum endurance (>1 K cycles)
Symbol
V_RDR
—
f_Read(1)
t_Erase
Min
Typ
Max
Unit
1.3
—
—
V
1
—
—
MHz
8k
—
8.4 M
Hz
0.9
1
1.1
ms
3.6
4
5.5
Contined on next page
MC68HC908GP32 Data Sheet, Rev. 10
Freescale Semiconductor
253