Motorola MC68302 User Manual page 8

TABLE OF CONTENTS (Continued)
Paragraph
Number
Title
Page
Number
3.5.2.2
3.5.2.3
3.5.2.4
3.5.2.5
3.5.3
3.5.3.1
3.5.3.2
3.5.3.3
3.6
3.6.1
3.6.2
3.6.2.1
3.6.2.2
3.7
3.8
3.8.1
3.8.2
3.8.3
3.8.4
3.8.5
3.8.6
3.8.7
3.8.8
4.1
4.2
4.3
4.4
4.4.1
4.4.2
4.4.3
4.4.4
4.4.5
4.4.5.1
4.4.5.2
Timer Reference Registers (TRR1, TRR2) ....................... 3-37
Timer Capture Registers (TCR1, TCR2) .......................... 3-37
Timer Counter (TCNl, TCN2) ........................................ 3-38
Timer Event Registers (TER1, TER2) .............................. 3-38
Watchdog Timer ............................................................... 3-38
Watchdog Timer Operation .......................................... 3-39
Watchdog Reference Register (WRR) ............................ 3-39
Watchdog Counter (WCN) ............................................ 3-40
External Chip-Select Signals and Wait-State Logic ...................... 3-40
Chip-Select Logic Key Features .......................................... 3-42
Chip-Select Registers ........................................................ 3-42
Base Register (BR3-BRO) ............................................. 3-42
Option Registers (OR3-0RO) ........................................ 3-43
On-Chip Clock Generator ......................................................... 3-45
System Control. ............................. , ........................................ 3-46
System Control Register (SCR) ........................................... 3-47
System Status Bus ............................................................ 3-47
System Control Bits .......................................................... 3-48
Disable CPU Logic (M68000) .............................................. 3-50
Bus Arbitration Logic ........................................................ 3-51
Hardware Watchdog ......................................................... 3-51
Low-Power (Standby) Modes ............................................. 3-53
Freeze Control .................................................................. 3-55
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Communications Processor (CP)
Main Controller ...................................................................... 4-1
SDMA Channels ..................................................................... 4-2
Command Set ........................................................................ 4-3
Serial Channels Physical Interface ............................................ 4-5
IDL Interface ..................................................................... 4-5
GCI Interface .................................................................... 4-9
PCM Highway Mode ......................................................... 4-13
Nonmultiplexed Serial Interface (NMSI) .............................. 4-14
Serial Interface Registers ................................................... 4-14
Serial Interface Mode Register (SI MODE) ...................... 4-14
Serial Interface Mask Register (SIMASK) ....................... 4-17
MOTOROLA MC68302 USER'S MANUAL v