mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 13

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

15.3.1.2
15.3.1.3
15.3.1.4
15.3.1.5
15.3.1.6
15.3.1.7
15.3.1.8
15.3.1.9
15.4
15.4.1
15.4.1.1
15.4.1.2
15.4.1.3
15.4.1.4
15.4.1.5
15.5
15.5.1
15.5.1.1
15.5.1.2
15.5.1.3
15.5.1.4
15.5.2
15.5.3
15.5.4
15.5.4.1
15.5.4.1.1
15.5.4.2
15.5.4.2.1
15.5.4.2.2
15.5.4.2.3
15.5.4.2.4
15.5.4.2.5
15.5.4.2.6
15.5.4.2.7
15.5.4.2.8
15.5.4.2.9
15.5.4.2.10
15.5.5
15.5.5.1
15.5.5.2
15.5.5.3
Paragraph
Number
The General-Purpose Chip-Select Machine .....................................15-27
User-Programmable Machines .........................................................15-41
TABLE OF CONTENTS (Continued)
Freescale Semiconductor, Inc.
Configuration ..........................................................................15-27
Requests ................................................................................15-42
Programming the User-Programmable Machine ....................15-44
Clock Timing ...........................................................................15-45
The RAM Array .......................................................................15-49
The Wait Mechanism ..............................................................15-66
Option Registers .........................................................15-11
Memory Status Register .............................................15-15
Memory Command Register .......................................15-17
Machine A Mode Register ..........................................15-19
Machine B Mode Register ..........................................15-22
Memory Data Register ................................................15-26
Memory Address Register ..........................................15-26
Memory Periodic Timer Prescaler Register ................15-27
Programmable Wait State Configuration ....................15-34
Extended Hold Time on Read Accesses ....................15-34
Boot Chip-Select Operation ........................................15-37
SRAM Interface ..........................................................15-38
External Asynchronous Master Support .....................15-38
Internal/External Memory Access Requests ...............15-43
Memory Periodic Timer Requests ..............................15-43
Software Requests .....................................................15-44
Exception Requests ....................................................15-44
The RAM Word ...........................................................15-50
RAM Word Operation .................................................15-55
Internal and External Synchronous Master .................15-66
External Asynchronous Master ...................................15-67
Handling Variable Access Time and Slow Devices ....15-68
ore Information On This Product,
MPC823 REFERENCE MANUAL
Go to: www.freescale.com
Sample Control ...............................................15-65
RAM Word Format .........................................15-50
Start Addresses ..............................................15-55
Chip-Select Signals ........................................15-56
Byte-Select Signals ........................................15-57
General-Purpose Signals ...............................15-59
Loop Control ...................................................15-60
Exception Handling ........................................15-60
Address Multiplexing ......................................15-61
Transfer Acknowledge and Data
Disable Timer Mechanism ..............................15-65
Last Word .......................................................15-65
Title
Number
Page