MC912DG128AMPVE Freescale Semiconductor, MC912DG128AMPVE Datasheet - Page 447

IC MCU 128K FLASH 8MHZ 112-LQFP

MC912DG128AMPVE

Manufacturer Part Number
MC912DG128AMPVE
Description
IC MCU 128K FLASH 8MHZ 112-LQFP
Manufacturer
Freescale Semiconductor
Series
HC12r
Datasheet

Specifications of MC912DG128AMPVE

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 ~ 125°C
Package / Case
112-LQFP
Processor Series
HC912D
Core
HC12
Data Bus Width
16 bit
Data Ram Size
8 KB
Interface Type
CAN/I2C/SCI/SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
69
Number Of Timers
8
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWHCS12
Minimum Operating Temperature
- 40 C
On-chip Adc
2 (8-ch x 10-bit)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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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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