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MPC821ADS, Revision A - User’s Manual
TABLE OF CONTENTS
3•2•18
3•2•19
3•2•20
3•2•21
RS232 ON - LD12
PCMCIA ON - LD13
5V Indicator - LD14
3.3V Indicator - LD15
3•3
MEMORY MAP
3•4
Programming The MPC Registers
3•4•1
Memory Controller Registers Programming
4 Functional Description
4•1
MPC821 Or MPC860
4•2
Reset & Reset - Configuration
4•2•1
Keep Alive Power-On Reset
4•2•2
Main Power - On Reset
4•2•3
Manual Soft Reset
4•2•4
Manual Hard Reset
4•2•5
MPC Internal Sources
4•2•6
Reset Configuration
4•2•6•1 Power - On Reset Configuration
4•2•6•2 Hard Reset Configuration
4•2•6•3 Soft Reset Configuration
4•3
Local Interrupter
4•4
Clock Generator
4•4•1
SPLL Support
4•5
Buffering
4•6
Chip - Select Generator
4•7
DRAM
4•7•1
DRAM 16 Bit Operation
4•7•2
DRAM Performance Figures
4•7•3
Refresh Control
4•7•4
Variable Bus-Width Control
4•8
Flash Memory
4•9
Ethernet Port
4•10
Infra - Red Port
4•11
RS232 Port
4•11•1
RS-232 Port Signal Description
4•12
PCMCIA Port
4•12•1
PCMCIA Power Control
4•13
LCD Port
4•14
Board Control & Status Register - BCSR
4•14•1
BCSR Disable Protection Logic
4•14•2
BCSR0 - Hard Reset Configuration Register
4•14•3
BCSR1 - Board Control Register
4•14•4
BCSR2 - Board Status Register - 1
4•14•5
BCSR3 - Auxiliary Control / Status Register
4•15
Debug Port Controller
4•15•1
MPC821ADS As Debug Port Controller For Target System
4•15•1•1 Debug Port Connection - Target System Requirements
4•15•2
Debug Port Control / Status Register
4•15•3
Standard MPCXXX Debug Port Connector Pin Description
Release 1.3a
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