MC912DT128ACPV Freescale Semiconductor, MC912DT128ACPV Datasheet - Page 160

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MC912DT128ACPV

Manufacturer Part Number
MC912DT128ACPV
Description
IC 8MHZ 16 BIT MICROCONTROLLER
Manufacturer
Freescale Semiconductor
Series
HC12r
Datasheet

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

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Clock Functions
Technical Data
160
EXTALi
EXTAL
XTAL
CONSUMPTION
PROGRAMMABLE
CLOCK DIVIDER
OSCILLATOR
REDUCED
SLOW MODE
SLDV <5:0>
EXTALi
The PLL may be used to run the MCU from a different time base than the
incoming crystal value. It creates an integer multiple of a reference
frequency. For increased flexibility, the crystal clock can be divided by
values in a range of 1 – 8 (in unit steps) to generate the reference
frequency. The PLL can multiply this reference clock in a range of 1 to
64. Although it is possible to set the divider to command a very high clock
frequency, do not exceed the specified bus frequency limit for the MCU.
If the PLL is selected, it will continue to run when in WAIT mode resulting
in more power consumption than normal. To take full advantage of the
reduced power consumption of WAIT mode, turn off the PLL before
going into WAIT. Please note that in this case the PLL stabilization time
applies.
The PLL operation is suspended in STOP mode. After STOP exit
followed by the stabilization time, it resumes operation at the same
frequency, provided the AUTO bit is set.
A passive external loop filter must be placed on the control line (XFC
pad). The filter is a second-order, low-pass filter to eliminate the VCO
input ripple. Values of components in the diagram are dependent upon
the desired VCO operation. See
Freescale Semiconductor, Inc.
SLWCLK
Figure 12-2. PLL Functional Diagram
÷2
For More Information On This Product,
XCLK
PROGRAMMABLE
REFDV <2:0>
REFERENCE
DIVIDER
Go to: www.freescale.com
PROGRAMMABLE
SYN <5:0>
DIVIDER
LOOP
Clock Functions
REFCLK
DIVCLK
DETECTOR
DETECTOR
XFC
PHASE
FILTER
LOCK
PDET
LOOP
description.
VDDPLL
DOWN
UP
MC68HC912DT128A — Rev 4.0
LOCK
CPUMP
XFC
PAD
VCO
× 2
PLLCLK
MOTOROLA

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