mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 33

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mpc823rg

Manufacturer Part Number
mpc823rg
Description
Mpc823 Powerquicc Integrated Communications Processor For Portable Systems
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1-1.
1-2.
2-1.
4-1.
4-2.
4-3.
4-4.
5-1.
5-2.
5-3.
5-4.
5-5.
5-6.
5-7.
5-8.
5-9.
5-10.
5-11.
5-12.
5-13.
5-14.
5-15.
5-16.
5-17.
5-18.
6-1.
6-2.
6-3.
6-4.
6-5.
6-6.
Number
Figure
For Short PORESET Assertion .........................................................................4-8
For Long PORESET Assertion .........................................................................4-8
MPC823 Block Diagram ..................................................................................1-7
MPC823 System Configuration .....................................................................1-12
MPC823 Signal Pinout ....................................................................................2-1
Reset Configuration Basic Scheme.................................................................4-7
Reset Configuration Sampling Scheme
Reset Configuration Sampling Scheme
Reset Configuration Sampling Timing Requirements......................................4-9
Clock Source and Distribution .........................................................................5-2
Crystal Oscillator ...........................................................................................5-10
Clock Module Diagram ..................................................................................5-11
SPLL Block Diagram .....................................................................................5-12
Clock Dividers................................................................................................5-15
MPC823 Clocks Timing Diagram ..................................................................5-16
Selecting the General System Clock .............................................................5-17
Divided System Clocks Timing Diagram .......................................................5-18
MPC823 Clocks For Division Factor 2...........................................................5-18
CLKOUT Divider............................................................................................5-19
BRGCLK Divider............................................................................................5-19
SYNCCLK Divider .........................................................................................5-20
LCDCLK Divider ............................................................................................5-21
LCD Clock Timing Diagram ...........................................................................5-21
MPC823 Power Rails and TEXP Status........................................................5-24
External Power Supply Scheme ....................................................................5-26
Register Lock Mechanism .............................................................................5-28
MPC823 Low-Power Mode Flowchart ...........................................................5-29
Block Diagram of the Core ..............................................................................6-3
Instruction Flow Conceptual Diagram..............................................................6-3
Basic Instruction Pipeline Timing Diagram ......................................................6-4
Sequencer Data Path ......................................................................................6-5
History Buffer Queue .......................................................................................6-9
Load/Store Unit Functional Block Diagram....................................................6-26
Freescale Semiconductor, Inc.
LIST OF ILLUSTRATIONS
For More Information On This Product,
MPC823 REFERENCE MANUAL
Go to: www.freescale.com
Title
Number
Page
xxxi

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