MC68HC908LK24CFU Freescale Semiconductor, MC68HC908LK24CFU Datasheet - Page 120
![no-image](/images/manufacturer_photos/0/2/262/freescale_semiconductor_sml.jpg)
MC68HC908LK24CFU
Manufacturer Part Number
MC68HC908LK24CFU
Description
IC MCU 24K FLASH 8MHZ SPI 64-QFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908LK24CFUE.pdf
(464 pages)
Specifications of MC68HC908LK24CFU
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, IRSCI, SPI
Peripherals
LCD, LVD, POR, PWM
Number Of I /o
40
Program Memory Size
24KB (24K x 8)
Program Memory Type
FLASH
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 6x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68HC908LK24CFU
Manufacturer:
FREESCALE Semiconductor
Quantity:
489
Company:
Part Number:
MC68HC908LK24CFU
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
- Current page: 120 of 464
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Clock Generator Module (CGM)
Data Sheet
120
NOTE:
Exceeding the recommended maximum bus frequency or VCO
frequency can crash the MCU.
6. Select the VCO’s power-of-two range multiplier E, according to
7. Select a VCO linear range multiplier, L, where f
8. Calculate and verify the adequacy of the VCO programmed
9. Verify the choice of P, R, N, E, and L by comparing f
this table:
center-of-range frequency, f
the midpoint between the minimum and maximum frequencies
attainable by the PLL.
For proper operation,
and f
application’s tolerance of f
possible to f
NOTE: Do not program E to a value of 3.
Clock Generator Module (CGM)
VCLKDES
19,660,800 ≤ f
9,830,400 ≤ f
VCLK.
. For proper operation, f
0 < f
Frequency Range
VCLK
f
VRS
L
f
VCLK
VCLK
VRS
=
< 9,830,400
–
round
f
< 19,660,800
=
VCLK
< 39,321,600
VCLKDES
(
VRS
L
×
--------------------------
2
≤
E
2
. The center-of-range frequency is
f
f
--------------------------
E
VCLK
×
NOM
)f
f
, and f
NOM
NOM
MC68HC908LJ24/LK24 — Rev. 2.1
2
×
VCLK
2
E
VRS
must be within the
Freescale Semiconductor
must be as close as
NOM
E
0
1
2
= 38.4kHz
VCLK
to f
VRS
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