MC912DT128ACPV Freescale Semiconductor, MC912DT128ACPV Datasheet - Page 209
MC912DT128ACPV
Manufacturer Part Number
MC912DT128ACPV
Description
IC 8MHZ 16 BIT MICROCONTROLLER
Manufacturer
Freescale Semiconductor
Series
HC12r
Datasheet
1.MC912DG128ACPVER.pdf
(478 pages)
Specifications of MC912DT128ACPV
Core Processor
CPU12
Core Size
16-Bit
Speed
8MHz
Connectivity
CAN, I²C, SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
67
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 16x8/10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
112-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
KMC912DT128ACPV
Q1195202
Q1195202
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13.4.4 MC68HC912Dx128C DC Blocking Capacitor Guidelines
MC68HC912DT128A — Rev 4.0
MOTOROLA
Due to the placement of the resonator from EXTAL to VSS and the
nature of the microcontroller’s inputs, there will be a DC bias voltage of
approximately (VDD–2V) across the pins of the resonator. For some
resonators, this can have long-term reliability issues. To remedy this
situation, a DC-blocking capacitor can be placed in series with the
crystal, as shown in
The value of the DC-blocking capacitor should be between 0.1 and
10nF, with a preferred value of 1nF. This capacitor must be connected
as shown in
specifications and guidelines continue to apply.
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
Figure
13-3. If connected thus, all other oscillator
Oscillator
Figure
MC68HC912Dx128C Colpitts Oscillator Specification
13-3.
Technical Data
Oscillator
209
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