PD6710 Datasheet, PDF (39/138 Pages) Intel Corporation – ISA-to-PC-Card (PCMCIA) Controllers

5.0
ISA-to-PC-Card (PCMCIA) Controllers — PD6710/’22
Register Description Conventions
Register Headings
The description of each register starts with a header containing the following information:
Header Field
Description
Register Name Indicates the register name.
Index¹
The Index value through which an internal
register in an indexed register set is accessed.
Register Per
Indicates whether the register affects both
sockets, marked chip, or an individual socket,
marked socket. If socket is indicated, there
are two registers being described, each with a
separate Index value (one for each socket, A
and B). ^a
Register
Compatibility
Type
Indicates whether the register is 82365SL-
compatible, marked 365 or a register
extension, marked ext.
1. When the register is socket-specific, the Index value given in
the register heading is for Socket A only. For the Socket B
register on the PD6722, add 40h to the Index value of the
Socket A register.
Special Function Bits
Following is a description of bits with special functions:
Bit Type
Reserved
Compatibility Bit
0 or 1
Scratchpad Bit
Description
These bits are Reserved and should not be
changed.
These bits have no function on the PD67XX,
but are included for compatibility with the
82365SL register set.
These read-only bits are forced to either ‘0’ or
‘1’ at reset and cannot be changed.
These read/write bits are available for use as
bits of memory.
Datasheet
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