PD6710 datasheet(6/138 Pages) INTEL

6 / 138 page

PD6710/’22 — ISA-to-PC-Card (PCMCIA) Controllers

Datasheet

Figures

System Block Diagram ........................................................................................ 10

PC Card Controller Form Factor ......................................................................... 10

PD6710 Pin Diagram ......................................................................................... 13

PD6722 Pin Diagram .......................................................................................... 14

Memory Window Organization ............................................................................ 29

I/O Window Organization .................................................................................... 29

Functional Block Diagram ................................................................................... 30

Indexed 8-Bit Register Structure ......................................................................... 37

Indexed 8-Bit Register Example.......................................................................... 37

Device/Socket/Register Index Space .................................................................. 42

Pulse Mode Interrupts ......................................................................................... 71

Selection of Acknowledge Time-out Interval ....................................................... 80

Example GPSTB Write Port (Extension Control 2 bits 4:3 are ‘10’) .................... 93

Example GPSTB Read Port (Extension Control 2 bits 4:3 are ‘01’).................... 93

VS1# and VS2# Sensing on a PD6722

(Socket B Extension Control 2 bit 3 is ‘1’) ........................................................... 96

DMA Handshake Connections to the ISA Bus

to Make the PD6722 DMA-Capable.................................................................... 98

Card DMA Request and Acknowledge Handshake with Terminal Count ........... 99

Bus Timing — ISA Bus...................................................................................... 106

Reset Timing ..................................................................................................... 107

Pulse Mode Interrupt Timing ............................................................................. 108

General-Purpose Strobe Timing ....................................................................... 108

Input Clock Specification ................................................................................... 109

Memory Read/Write Timing .............................................................................. 111

Word I/O Read/Write Timing ............................................................................. 113

PC Card Read/Write Timing When System Is 8-Bit (SBHE Tied High) ............ 114

Normal Byte Read/Write Timing........................................................................ 115

16-Bit System to 8-Bit I/O Card: Odd Byte Timing ............................................ 116

DMA Read Cycle Timing ................................................................................... 117

DMA Write Cycle Timing ................................................................................... 119

DMA Request Timing ........................................................................................ 120

PD6710 Datasheet(PDF) 6 Page - Intel Corporation