mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 11

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

12.4
12.5
12.5.1
12.6
12.6.1
12.6.2
12.6.3
12.7
12.7.1
12.7.2
12.7.3
12.7.4
12.8
12.8.1
12.8.2
12.8.3
12.9
12.9.1
12.10
12.10.1
12.11
12.12
12.12.1
12.12.1.1
12.12.1.2
12.12.1.3
12.12.1.4
13.1
13.2
13.2.1
13.3
13.4
13.4.1
13.4.2
13.4.2.1
13.4.2.2
13.4.3
13.4.4
Paragraph
Number
The Bus Monitor ................................................................................12-11
The PowerPC Decrementer ..............................................................12-12
The PowerPC Timebase ...................................................................12-14
The Real-Time Clock ........................................................................12-17
The Periodic Interrupt Timer .............................................................12-22
The Software Watchdog Timer .........................................................12-26
Freeze Operation ..............................................................................12-28
Multiplexing the System Interface Unit Pins ......................................12-29
Programming the System Interface Unit ...........................................12-30
Features ..............................................................................................13-1
Transfer Signals ..................................................................................13-1
Bus Signal Descriptions ......................................................................13-4
Bus Interface Operation ......................................................................13-7
TABLE OF CONTENTS (Continued)
Freescale Semiconductor, Inc.
Decrementer Register ............................................................12-13
Timebase Register .................................................................12-14
Timebase Reference Registers ..............................................12-15
Timebase Status and Control Register ..................................12-16
Real-Time Clock Status and Control Register ........................12-18
Real-Time Clock Register ......................................................12-19
Real-Time Clock Alarm Seconds Register .............................12-20
Real-Time Clock Alarm Register ............................................12-21
Periodic Interrupt Status and Control Register .......................12-23
Periodic Interrupt Timer Count Register .................................12-24
Periodic Interrupt Timer Register ...........................................12-25
Software Service Register ......................................................12-27
Low-Power Stop Operation ....................................................12-28
System Configuration and Protection Registers .....................12-30
Control Signals .........................................................................13-3
Basic Transfers ........................................................................13-8
Single Beat Transfers ...............................................................13-8
Burst Transfers .......................................................................13-16
The Burst Mechanism ............................................................13-16
SIU Module Configuration Register ............................12-30
Internal Memory Map Register ...................................12-34
System Protection Control Register ............................12-35
Transfer Error Status Register ....................................12-36
Single Beat Read Flow .................................................13-9
Single Beat Write Flow ...............................................13-12
ore Information On This Product,
MPC823 REFERENCE MANUAL
Go to: www.freescale.com
External Bus Interface
Section 13
Title
Number
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