MM912F634DV1AER2 Freescale Semiconductor, MM912F634DV1AER2 Datasheet - Page 256
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MM912F634DV1AER2
Manufacturer Part Number
MM912F634DV1AER2
Description
16-bit Microcontrollers - MCU DUAL LS/HS SWITCH W. LIN
Manufacturer
Freescale Semiconductor
Datasheet
1.MM912G634DV1AE.pdf
(338 pages)
Specifications of MM912F634DV1AER2
Rohs
yes
Core
HCS12
Processor Series
MM912F634
Data Bus Width
16 bit
Maximum Clock Frequency
20 MHz
Program Memory Size
32 KB
Data Ram Size
2 KB
On-chip Adc
Yes
Operating Supply Voltage
4.5 V to 5.5 V
Operating Temperature Range
- 40 C to + 105 C
Package / Case
LQFP-48
Mounting Style
SMD/SMT
A/d Bit Size
10 bit
A/d Channels Available
15
Interface Type
SPI
Maximum Operating Temperature
+ 105 C
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
6
Number Of Timers
1
Program Memory Type
Flash
Supply Voltage - Max
4.5 V
Supply Voltage - Min
4.5 V
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Functional Description and Application Information
4.33
4.33.1
The full swing Pierce oscillator (S12SCRG) module provides a robust clock source with an external crystal or ceramic resonator.
4.33.2
The S12SCRG module provides the following features:
4.33.3
The S12SCRG contains the registers and associated bits for controlling and monitoring the oscillator module. Two modes of
operation exist:
4.33.4
Figure 78
Freescale Semiconductor
•
•
•
1.
2.
Full rail-to-rail (2.5 V nominal) swing oscillation with low EM susceptibility
High noise immunity due to input hysteresis
Low power consumption due to operation with 2.5 V (nominal) supply
Off (OSCEN=0)
Full swing Pierce oscillator (OSCEN=1)
shows a block diagram of the S12SCRG module.
External Oscillator (S12SS12SCRGV1)
Introduction
Features
Modes of Operation
Block Diagram
Enable
EXTAL
Figure 78. S12SCRG Block Diagram
V
DD
= 2.5 V
XTAL
External Oscillator (S12SS12SCRGV1)
Oscillator Clock
MM912F634
256
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