PC87591L datasheet(338/437 Pages) NSC

338 / 437 page

6.0 Host-Controlled Modules and Host Interface (Continued)

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338

Revision 1.07

Table 49. Standard Control Registers

Table 50. Logical Device Activate Register

Table 51. I/O Space Conﬁguration Registers

Index

Description

0716

Logical Device

Number

This register selects the current logical device. See Table 48 for valid numbers. All

other values are reserved.

2016 -2F16 SuperI/O

Conﬁguration

SuperI/O conﬁguration registers and ID registers

Index

Description

3016

Activate

Bits 7-1: Reserved

Bit 0: Logical device activation control

0: Disabled

1: Enabled

Index

Description

6016

I/O Port Base

Address Bits (15-8)

Descriptor 0

Indicates selected I/O lower limit address bits 15-8 for I/O Descriptor 0.

6116

I/O Port Base

Address Bits (7-0)

Descriptor 0

Indicates selected I/O lower limit address bits 7-0 for I/O Descriptor 0.

6216

I/O Port Base

Address Bits (15-8)

Descriptor 1

Indicates selected I/O group 2 lower limit address bits 15-8 for I/O Descriptor 1.

6316

I/O Port Base

Address Bits (7-0)

Descriptor 1

Indicates selected I/O group 2 lower limit address bits 7-0 for I/O Descriptor 1.

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