XC68HC12A0CPV8 Freescale Semiconductor, XC68HC12A0CPV8 Datasheet - Page 202

• Manufacturer Part Number: XC68HC12A0CPV8
• Description: IC, 16BIT MCU, 68HC12, 8MHZ, TQFP-112
• Manufacturer: Freescale Semiconductor

Specifications of XC68HC12A0CPV8

• Controller Family/series: 68HC12
• No. Of I/o's: 68
• Eeprom Memory Size: 1KB
• Ram Memory Size: 2KB
• Cpu Speed: 8MHz
• No. Of Timers: 1
• Core Size: 16 Bit
• Program Memory Size: 60KB
• Peripherals: ADC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Oscillator
12.5.3 Important Information For Calculating Component Values
12.5.3.1 How to Use This Information
Technical Data
202
Before attempting to apply the information in section
Parameters, the following data from the resonator vendor is required:
The following tables provide Maximum ESR vs. component value for
various frequencies. This table should be used in the following manner:
1. Choose the set of component values corresponding to the correct
2. Determine the range of components for which the Maximum ESR
•
•
•
•
•
•
•
VDDPLL Setting — The Voltage applied to the VDDPLL pin
(Logic 1 means VDDPLL is tied to the same potential as VDD).
Resonator Frequency — The frequency of oscillation of the
resonator.
Maximum ESR — The maximum effective series resistance
(ESR) of the resonator. This figure must include any increases
due to ageing, power dissipation, temperature, process variation
or particle contamination.
Resonator Frequency (f)
Maximum ESR (R, ESR, or R1)
Maximum Shunt Capacitance (C0)
Load Capacitance (CL) — this is not the external component
values but rather the capacitance applied in parallel with the
resonator during the tuning procedure.
maximum shunt capacitance (equal to the sum of EXTAL–XTAL
parasitics in excess of 0.1pF, plus the C0 of the resonator) and
VDDPLL setting.
is greater than the absolute maximum ESR of the resonator
(including ageing, power dissipation, temperature, process
Oscillator
MC68HC912D60A — Rev. 3.1
Freescale Semiconductor
12.5.2.4 Key