Table of Contents
Paragraph
Number
5.8
5.9
5.10
5.11
5.12
5.13
5.14
5.14.1
5.14.2
5.14.3
5.15
Title
Page
Number
x
MC68SC302 USER’S MANUAL
MOTOROLA
ISA-PNP Control Registers Summary ...................................................5-26
ISA-PNP Configuration Registers Summary..........................................5-28
Card Configuration and Control Register Map (CCR)............................5-30
Host Interface Control Register Map (HCR) ..........................................5-33
ISA-PNP Physical Interface BAckground...............................................5-37
Initiation Key ..........................................................................................5-38
Isolation Protocol ...................................................................................5-38
General..................................................................................................5-38
The Protocol...........................................................................................5-39
Timing Issues Related to Serial Isolation...............................................5-40
Run-Time Access to ISA-PNP...............................................................5-41
Section 6
PCMCIA Interface
6.1
6.2
6.3
6.4
6.4.1
Introduction..............................................................................................6-1
PCMCIA Controller Key Features............................................................6-1
PCMCIA Interface Functional Overview ..................................................6-1
PCMCIA Memory Map.............................................................................6-3
Accessing the HCR Region (Both Serial and Parallel Cis EEPROM
Mode........................................................................................................6-3
Accessing the CCMR Region in Serial CIS EEPROM Mode...................6-3
Accessing the CCMR in Parallel CIS EEPROM mode ............................6-4
Accessing the External Chip Select Space..............................................6-5
Accessing Host Interface Control Registers (HCR) .................................6-5
CCMR Memory Space.............................................................................6-6
Dual Ported RAM (DPR)..........................................................................6-6
System RAM............................................................................................6-7
Parameter RAM.......................................................................................6-7
CCR Register Map...................................................................................6-7
Host Interface Control registers (HCR)....................................................6-8
PCMCIA Function Configuration Registers (FCR)...................................6-9
68SC302 Specific HCR Registers .........................................................6-11
PCMCIA bus Accesses..........................................................................6-16
SC302 Power Management...................................................................6-17
Enter Low Power....................................................................................6-17
Wake Up................................................................................................6-17
READY...................................................................................................6-17
PCMCIA Host Interrupts ........................................................................6-18
Unimplemented PCMCIA Signals..........................................................6-18
PCMCIA EEPROM Format....................................................................6-18
6.4.2
6.4.3
6.4.4
6.4.5
6.5
6.5.1
6.5.1.1
6.5.1.2
6.5.2
6.6
6.6.1
6.6.2
6.7
6.7.1
6.7.1.1
6.7.1.2
6.7.1.3
6.7.2
6.7.3
6.7.4
Section 7
Electrical Characteristics
7.1
7.2
7.3
Maximum Ratings....................................................................................7-1
Thermal Characteristics...........................................................................7-1
Power Considerations..............................................................................7-2