MC9S12P64VQK Freescale Semiconductor, MC9S12P64VQK Datasheet - Page 241
MC9S12P64VQK
Manufacturer Part Number
MC9S12P64VQK
Description
16-bit Microcontrollers - MCU 16 BIT 64K FLASH
Manufacturer
Freescale Semiconductor
Datasheet
1.MC9S12P64VQK.pdf
(566 pages)
Specifications of MC9S12P64VQK
Rohs
yes
Core
S12
Processor Series
MC9S12P
Data Bus Width
16 bit
Maximum Clock Frequency
64 MHz
Program Memory Size
64 KB
Data Ram Size
4 KB
On-chip Adc
Yes
Operating Supply Voltage
5 V
Operating Temperature Range
- 40 C to 105 C
Package / Case
QFP-80
Mounting Style
SMD/SMT
Interface Type
I2C, SCI, SPI
Program Memory Type
Flash
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
MC9S12P64VQK
Manufacturer:
Freescale Semiconductor
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10 000
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7.4.5
7.4.5.1
An example of how to use the oscillator as Bus Clock is shown in
Freescale Semiconductor
EXTAL
UPOSC
OSCCLK
PLLSEL
Core
Clock
OSCE
External Oscillator
Enabling the External Oscillator
enable external oscillator by writing OSCE bit to one.
based on PLLCLK
crystal/resonator starts oscillating
Figure 7-34. Enabling the External Oscillator
S12P-Family Reference Manual, Rev. 1.13
select OSCCLK as Core/Bus Clock by writing PLLSEL to zero
UPOSC flag is set upon successful start of oscillation
S12 Clock, Reset and Power Management Unit (S12CPMU)
based on OSCCLK
Figure
7-34.
241
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