PD6710 Datasheet, PDF (6/138 Pages) Intel Corporation – ISA-to-PC-Card (PCMCIA) Controllers

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