MC912DG128ACPV Freescale Semiconductor, MC912DG128ACPV Datasheet - Page 186

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MC912DG128ACPV

Manufacturer Part Number
MC912DG128ACPV
Description
IC MCU 128K FLASH 8MHZ 112-LQFP
Manufacturer
Freescale Semiconductor
Series
HC12r
Datasheet

Specifications of MC912DG128ACPV

Core Processor
CPU12
Core Size
16-Bit
Speed
8MHz
Connectivity
CAN, I²C, SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
69
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

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Clock Functions
12.10 Real-Time Interrupt
12.11 Clock Monitor
Technical Data
186
In addition, windowed COP operation can be selected. In this mode,
writes to the COPRST register must occur in the last 25% of the selected
period. A premature write will also reset the part.
There is a real time (periodic) interrupt available to the user. This
interrupt will occur at one of seven selected rates. An interrupt flag and
an interrupt enable bit are associated with this function. There are three
bits for the rate select.
The clock monitor circuit is based on an internal resistor-capacitor (RC)
time delay. If no EXTALi clock edges are detected within this RC time
delay, the clock monitor can optionally generate a system reset. The
clock monitor function is enabled/disabled by the CME control bit in the
COPCTL register. This time-out is based on an RC delay so that the
clock monitor can operate without any EXTALi clock.
Clock monitor time-outs are shown in
EXTALi clock period with an ideal 50% duty cycle is twice this time-out
value.
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
Table 12-3. Clock Monitor Time-Outs
5 V +/– 10%
Clock Functions
Supply
Table
MC68HC912DT128A — Rev 4.0
12-3. The corresponding
2–20 µS
Range
MOTOROLA

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