CL-PD6722 datasheet(3/128 Pages) CIRRUS

3 / 128 page

May 1997

PRELIMINARY DATA SHEET v3.1

CL-PD6710/’22

ISA–to–PC-Card Host Adapters

Table of Contents

GENERAL CONVENTIONS.................. 7

PIN INFORMATION ............................... 8

2.1

Pin Diagrams ..................................................... 9

2.2

Pin Description Conventions............................ 11

2.3

Pin Descriptions............................................... 12

2.4

Power-On Conﬁguration Summary .................. 21

INTRODUCTION.................................. 22

3.1

System Architecture......................................... 22

3.1.1

PC Card Basics ............................................ 22

3.1.2

CL-PD67XX Windowing Capabilities ............ 22

3.1.3

CL-PD67XX Functional Blocks ..................... 25

3.1.4

Interrupts ...................................................... 25

3.1.5

Alternate Functions of Interrupt Pins ............ 26

3.1.6

General-Purpose Strobe Feature ................. 26

3.1.7

Voltage Sense Pins....................................... 27

3.1.8

CL-PD67XX Power Management ................. 27

3.1.9

Socket Power Management Features........... 28

3.1.10 Write FIFO .................................................... 29

3.1.11 Bus Sizing..................................................... 29

3.1.12 Programmable PC Card Timing.................... 29

3.1.13 ATA Mode Operation..................................... 29

3.1.14 DMA Mode Operation for

the CL-PD6722............................................. 30

3.1.15 Selective Data Drive for I/O Windows ........... 30

3.2

Host Access to Registers................................. 30

3.3

Power-On Setup............................................... 31

CONVENTIONS................................... 32

OPERATION REGISTERS .................. 33

5.1

Index ................................................................ 33

5.2

Data ................................................................. 36

CHIP CONTROL REGISTERS............ 37

6.1

Chip Revision................................................... 37

6.2

Interface Status................................................ 38

6.3

Power Control .................................................. 40

6.4

Interrupt and General Control .......................... 42

6.5

Card Status Change ........................................ 44

6.6

Management Interrupt Conﬁguration ............... 45

6.7

Mapping Enable ............................................... 47

I/O WINDOW MAPPING

REGISTERS ........................................ 49

7.1

I/O Window Control .......................................... 49

7.2

System I/O Map 0–1 Start Address Low.......... 50

7.3

System I/O Map 0–1 Start Address High......... 50

7.4

System I/O Map 0–1 End Address Low ........... 51

7.5

System I/O Map 0–1 End Address High .......... 51

7.6

Card I/O Map 0–1 Offset Address Low ............52

7.7

Card I/O Map 0–1 Offset Address High ...........52

MEMORY WINDOW MAPPING

REGISTERS .........................................53

8.1

System Memory Map 0–4 Start Address

Low ..................................................................53

8.2

System Memory Map 0–4 Start Address

High..................................................................54

8.3

System Memory Map 0–4 End Address

Low ..................................................................54

8.4

System Memory Map 0–4 End Address

High..................................................................55

8.5

Card Memory Map 0–4 Offset Address

Low ..................................................................56

8.6

Card Memory Map 0–4 Offset Address

High..................................................................56

EXTENSION REGISTERS ...................58

9.1

Misc Control 1 ..................................................58

9.2

FIFO Control ....................................................60

9.3

Misc Control 2 ..................................................61

9.4

Chip Information...............................................63

9.5

ATA Control ......................................................64

9.6

Extended Index ................................................65

9.7

Extended Data .................................................65

9.7.1

Data Mask 0–1 .............................................66

9.7.2

Extension Control 1 (CL-PD6722 only,

formerly DMA Control) ..................................66

9.7.3

Maximum DMA Acknowledge Delay

(CL-PD6722 only) .........................................67

9.7.4

External Data (CL-PD6722 only, Socket A,

Index 2Fh).....................................................69

9.7.5

External Data (CL-PD6722 only, Socket A,

Index 6Fh).....................................................70

9.7.6

Extension Control 2 (CL-PD6722 only) ........71

10. TIMING REGISTERS ...........................72

10.1 Setup Timing 0–1 .............................................72

10.2 Command Timing 0–1......................................73

10.3 Recovery Timing 0–1 .......................................74

11. ATA MODE OPERATION .....................75

12. USING GPSTB PINS FOR EXTERNAL

PORT CONTROL (CL-PD6722 only) ..77

12.1 Control of GPSTB Pins ....................................77

12.2 Example Implementations of GPSTB-Controlled

Read and Write Ports.......................................79

12.3 GPSTB in Suspend Mode................................80

13. VS1# AND VS2# VOLTAGE

DETECTION .........................................81

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