mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 4

• Manufacturer Part Number: mpc823rg
• Description: Mpc823 Powerquicc Integrated Communications Processor For Portable Systems
• Manufacturer: Freescale Semiconductor, Inc

Paragraph
Number
4.1.4
4.1.5
4.1.5.1
4.2
4.3
4.3.1
4.3.1.1
4.3.2
5.1
5.2
5.2.1
5.2.2
5.3
5.3.1
5.3.2
5.3.2.1
5.3.3
5.3.4
5.3.4.1
5.3.4.2
5.3.4.3
5.3.4.4
5.3.5
5.3.5.1
5.3.5.2
5.4
5.4.1
5.4.2
5.4.2.1
5.4.2.2
5.5
6.1
6.2
6.2.1
Reset Status Register ........................................................................... 4-5
How to Configure Reset ........................................................................ 4-7
Features ................................................................................................ 5-1
Register Model ...................................................................................... 5-3
The Clock Module ............................................................................... 5-10
Power Control ..................................................................................... 5-24
Low-Power Operation ......................................................................... 5-28
Features ................................................................................................ 6-1
Basic Structure of the Core ................................................................... 6-2
TABLE OF CONTENTS (Continued)
External Soft Reset .................................................................... 4-4
Internal Soft Reset ..................................................................... 4-4
Hard Reset ................................................................................. 4-7
Soft Reset ................................................................................ 4-12
System Clock and Reset Control Register ................................. 5-3
PLL, Low-Power, and Reset Control Register ........................... 5-7
On-Chip Oscillators and External Clock Input .......................... 5-12
System PLL .............................................................................. 5-12
The Low-Power Clock Divider .................................................. 5-14
Internal Clock Signals .............................................................. 5-16
Clock Configuration .................................................................. 5-22
Power Rails .............................................................................. 5-24
Keep-Alive Power ..................................................................... 5-25
Instruction Flow Within the Core ................................................ 6-2
Freescale Semiconductor, Inc.
Debug Port Soft Reset .................................................... 4-4
Hard Reset Configuration Word ................................... 4-10
SPLL Stability ............................................................... 5-13
The General System Clocks ......................................... 5-16
The Baud Rate Generator Clock .................................. 5-19
The Synchronization Clocks ......................................... 5-20
The LCD Clocks ........................................................... 5-21
Mode Clock Pins ........................................................... 5-22
The System Phase-Locked Loop Pins ......................... 5-23
Power Switching Example ............................................ 5-26
Register Lock ................................................................ 5-27
ore Information On This Product,
Clocks and Power Control
MPC823 REFERENCE MANUAL
Go to: www.freescale.com
The PowerPC Core
Section 5
Section 6
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