S9S12P32J0MFT Freescale Semiconductor, S9S12P32J0MFT Datasheet - Page 241

• Manufacturer Part Number: S9S12P32J0MFT
• Description: MCU 128K FLASH AUTO 48-QFN
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of S9S12P32J0MFT

• 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: 128KB (128K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 6K x 8
• Voltage - Supply (vcc/vdd): 1.72 V ~ 5.5 V
• Data Converters: A/D 10x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°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

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.
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