MC9S12P64CFT Freescale Semiconductor, MC9S12P64CFT Datasheet - Page 241
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MC9S12P64CFT
Manufacturer Part Number
MC9S12P64CFT
Description
MCU 16BIT 64K FLASH 48-QFN
Manufacturer
Freescale Semiconductor
Series
HCS12r
Datasheet
1.S9S12P32J0MFT.pdf
(566 pages)
Specifications of MC9S12P64CFT
Core Processor
HCS12
Core Size
16-Bit
Speed
32MHz
Connectivity
CAN, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
34
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.72 V ~ 5.5 V
Data Converters
A/D 10x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-QFN Exposed Pad
Processor Series
S12P
Core
HCS12
3rd Party Development Tools
EWHCS12
Development Tools By Supplier
KIT33812ECUEVME, DEMO9S12PFAME
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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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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