MC912DT128ACPV Freescale Semiconductor, MC912DT128ACPV Datasheet - Page 447
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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Technical Data — MC68HC912DT128A
23.1 Contents
23.2 Introduction
23.3 Practical Aspects For The PLL Usage
23.3.1 Synthesized Bus Frequency
MC68HC912DT128A — Rev 4.0
MOTOROLA
NOTE:
Section 23. Appendix: CGM Practical Aspects
23.2
23.3
23.4
This sections provides useful and practical pieces of information
concerning the implementation of the CGM module.
Starting from a ceramic resonator or quartz crystal frequency F
‘refdv’ and ‘synr’ are the decimal content of the REFDV and SYNR
registers respectively, then the MCU bus frequency will simply be:
It is not allowed to synthesize a bus frequency that is lower than the
crystal frequency, as the correct functioning of some internal
Freescale Semiconductor, Inc.
For More Information On This Product,
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 447
Practical Aspects For The PLL Usage . . . . . . . . . . . . . . . . . .447
Printed Circuit Board Guidelines. . . . . . . . . . . . . . . . . . . . . . .453
Appendix: CGM Practical Aspects
Go to: www.freescale.com
F
BUS
=
synr
refdv
F
VCO
∈
∈
{
=
{
0,1,2,3...63}
0,1,2,3...7}
F
----------------------------------------------- -
XTAL
(
refdv
⋅
(
synr
+
1
)
+
1
)
Technical Data
XTAL
, if
447
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