
Section
1
1.1
1.2
1.3
1.4
1.5
2
2.1
2.2
2.3
2.4
2.5
3
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.10
4
4.1
4.2
4.3
4.4
4.5
4.6
4.7
5
5.1
5.2
5.3
5.4
5.5
5.6
6
6.1
6.2
6.3
6.4
6.5
6.6
6.7
6.8
6.9
6.10
6.11
6.12
6.13
6.14
6.15
7
Page
MOTOROLA
2
MC68CK338
MC68CK338TS/D
Introduction
Features ......................................................................................................................................3
Block Diagram .............................................................................................................................4
Pin Assignments ..........................................................................................................................5
Address Map ...............................................................................................................................6
Intermodule Bus ..........................................................................................................................6
Signal Descriptions
Pin Characteristics ......................................................................................................................7
MCU Power Connections ............................................................................................................8
MCU Driver Types .......................................................................................................................8
Signal Characteristics ..................................................................................................................9
Signal Function ..........................................................................................................................10
Low-Power System Integration Module
Overview ...................................................................................................................................12
System Configuration Block ......................................................................................................14
System Clock ............................................................................................................................16
System Protection Block ...........................................................................................................22
External Bus Interface ...............................................................................................................26
Chip-Selects ..............................................................................................................................30
General-Purpose Input/Output ..................................................................................................38
Resets .......................................................................................................................................41
Interrupts ...................................................................................................................................44
Factory Test Block .....................................................................................................................47
Low-Power Central Processor Unit
Overview ...................................................................................................................................48
Programming Model ..................................................................................................................48
Status Register ..........................................................................................................................50
Data Types ................................................................................................................................51
Addressing Modes .....................................................................................................................51
Instruction Set Summary ...........................................................................................................51
Background Debugging Mode ...................................................................................................56
Queued Serial Module
Overview ...................................................................................................................................57
Address Map .............................................................................................................................58
Pin Function ..............................................................................................................................59
QSM Registers ..........................................................................................................................59
QSPI Submodule .......................................................................................................................64
SCI Submodule .........................................................................................................................72
Configurable Timer Module 6
Overview ...................................................................................................................................78
Address Map .............................................................................................................................80
Time Base Bus System .............................................................................................................82
Bus Interface Unit Submodule (BIUSM) ....................................................................................84
Counter Prescaler Submodule (CPSM) ....................................................................................85
Clock Sources for Counter Submodules ...................................................................................87
Free-Running Counter Submodule (FCSM) ..............................................................................87
Modulus Counter Submodule (MCSM) .....................................................................................90
Single Action Submodule (SASM) .............................................................................................93
Double-Action Submodule (DASM) ...........................................................................................97
Real-Time Clock Submodule (RTCSM) with Low-Power Oscillator ........................................104
Parallel Port I/O Submodule (PIOSM) .....................................................................................107
Static RAM Submodule (RAMSM) ..........................................................................................108
RTCSM and RAMSM Standby Operation ...............................................................................108
CTM6 Interrupts ......................................................................................................................109
Electrical Characteristics
1
7
12
48
57
78
111
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