MC68HC908LK24CFU Freescale Semiconductor, MC68HC908LK24CFU Datasheet - Page 123
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
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Quantity
Price
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Part Number:
MC68HC908LK24CFU
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Quantity:
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8.4.9 CGM External Connections
8.5 I/O Signals
MC68HC908LJ24/LK24 — Rev. 2.1
Freescale Semiconductor
In its typical configuration, the CGM requires up to four external
components.
Figure 8-3
Care should be taken with PCB routing in order to minimize signal cross
talk and noise. (See
routing information, filter network and its effects on PLL performance.)
The following paragraphs describe the CGM I/O signals.
•
•
Note: Filter network in box can be replaced with a 0.47µF capacitor, but will degrade stability.
Bypass capacitor, C
Filter network
Clock Generator Module (CGM)
shows the external components for the PLL:
MCU
Figure 8-3. CGM External Connections
0.033 µF
8.9 Acquisition/Lock Time Specifications
10 kΩ
BYP
CGMXFC
0.01 µF
Clock Generator Module (CGM)
V
SSA
V
DDA
C
0.1 µF
BYP
V
DD
Data Sheet
I/O Signals
for
123
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