mcf51jf128 Freescale Semiconductor, Inc, mcf51jf128 Datasheet - Page 30

• Manufacturer Part Number: mcf51jf128
• Description: Mcf51jf128 Reference Manual
• Manufacturer: Freescale Semiconductor, Inc

Section Number
27.5
28.1
28.2
28.3
30
27.4.2
27.4.3
27.4.4
Initialization/Application Information..........................................................................................................................619
27.5.1
27.5.2
Introduction...................................................................................................................................................................621
28.1.1
28.1.2
28.1.3
Memory map and register descriptions.........................................................................................................................622
28.2.1
28.2.2
28.2.3
Functional description...................................................................................................................................................626
28.3.1
28.3.2
28.3.3
28.3.4
True Random Number Generator (TRNG)....................................................................................................618
Resets.............................................................................................................................................................618
27.4.3.1
27.4.3.2
RNG Interrupts...............................................................................................................................................618
Manual Seeding..............................................................................................................................................619
Automatic Seeding.........................................................................................................................................620
Features..........................................................................................................................................................621
Block diagram................................................................................................................................................621
Modes of operation........................................................................................................................................622
28.1.3.1
28.1.3.2
CRC Data Register (CRC_CRC)...................................................................................................................623
CRC Polynomial Register (CRC_GPOLY)...................................................................................................624
CRC Control Register (CRC_CTRL)............................................................................................................625
CRC initialization/re-initialization.................................................................................................................626
CRC calculations............................................................................................................................................626
28.3.2.1
28.3.2.2
Transpose feature...........................................................................................................................................627
28.3.3.1
CRC result complement.................................................................................................................................629
Power-on/Hardware Reset.........................................................................................................618
Software Reset...........................................................................................................................618
Run mode...................................................................................................................................622
Low power modes (wait or stop)...............................................................................................622
16-bit CRC.................................................................................................................................626
32-bit CRC.................................................................................................................................627
Types of transpose.....................................................................................................................628
MCF51JF128 Reference Manual, Rev. 2, 03/2011
Cyclic Redundancy Check (CRC)
Chapter 28
Preliminary
Title
Freescale Semiconductor, Inc.
Page