IMPORTANT NOTICE
Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products
or to discontinue any product or service without notice, and advise customers to obtain the latest
version of relevant information to verify, before placing orders, that information being relied on
is current and complete. All products are sold subject to the terms and conditions of sale supplied
at the time of order acknowledgement, including those pertaining to warranty, patent
infringement, and limitation of liability.
TI warrants performance of its semiconductor products to the specifications applicable at the
time of sale in accordance with TI's standard warranty. Testing and other quality control
techniques are utilized to the extent TI deems necessary to support this warranty. Specific testing
of all parameters of each device is not necessarily performed, except those mandated by
government requirements.
CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE
POTENTIAL RISKS OF DEATH, PERSONAL INJURY, OR SEVERE PROPERTY OR
ENVIRONMENTAL DAMAGE ("CRITICAL APPLICATIONS"). TI SEMICONDUCTOR
PRODUCTS ARE NOT DESIGNED, AUTHORIZED, OR WARRANTED TO BE SUITABLE FOR
USE IN LIFE-SUPPORT DEVICES OR SYSTEMS OR OTHER CRITICAL APPLICATIONS.
INCLUSION OF TI PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD TO BE FULLY
AT THE CUSTOMER'S RISK.
In order to minimize risks associated with the customer's applications, adequate design and
operating safeguards must be provided by the customer to minimize inherent or procedural
hazards.
TI assumes no liability for applications assistance or customer product design. TI does not
warrant or represent that any license, either express or implied, is granted under any patent right,
copyright, mask work right, or other intellectual property right of TI covering or relating to any
combination, machine, or process in which such semiconductor products or services might be
or are used. TI's publication of information regarding any third party's products or services does
not constitute TI's approval, warranty or endorsement thereof.
Copyright
2000, Texas Instruments Incorporated
iii
Contents
Section
Title
Page
1
Introduction
11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1
Description
11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2
Features
11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3
Related Documents
12
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.4
Ordering Information
12
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2
Terminal Descriptions
21
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
Feature/Protocol Descriptions
31
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.1
Power Supply Sequencing
31
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.2
I/O Characteristics
32
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.3
Clamping Voltages
32
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.4
Peripheral Component Interconnect (PCI) Interface
32
. . . . . . . . . . . . . .
3.4.1
PCI Bus Lock (LOCK)
32
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.4.2
Loading Subsystem Identification
33
. . . . . . . . . . . . . . . . . . . . .
3.5
PC Card Applications
33
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.5.1
PC Card Insertion/Removal and Recognition
33
. . . . . . . . . . .
3.5.2
P
2
C Power-Switch Interface (TPS2211)
34
. . . . . . . . . . . . . . .
3.5.3
Zoomed Video Support
35
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.5.4
Ultra Zoomed Video
36
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.5.5
Internal Ring Oscillator
36
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.5.6
Integrated Pullup Resistors For PC Card Interface
37
. . . . . .
3.5.7
SPKROUT and CAUDPWM Usage
37
. . . . . . . . . . . . . . . . . . .
3.5.8
LED Socket Activity Indicators
38
. . . . . . . . . . . . . . . . . . . . . . . .
3.5.9
PC Card-16 Distributed DMA Support
38
. . . . . . . . . . . . . . . . .
3.5.10
PC Card-16 PC/PCI DMA
310
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.5.11
CardBus Socket Registers
310
. . . . . . . . . . . . . . . . . . . . . . . . . . .
3.6
Serial Bus Interface
311
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.6.1
Serial Bus Interface Implementation
311
. . . . . . . . . . . . . . . . . . .
3.6.2
Serial Bus Interface Protocol
311
. . . . . . . . . . . . . . . . . . . . . . . . .
3.6.3
Serial Bus EEPROM Application
313
. . . . . . . . . . . . . . . . . . . . . .
3.6.4
Accessing Serial Bus Devices Through Software
314
. . . . . . . .
3.7
Programmable Interrupt Subsystem
315
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.7.1
PC Card Functional and Card Status Change Interrupts
315
.
3.7.2
Interrupt Masks and Flags
317
. . . . . . . . . . . . . . . . . . . . . . . . . . .
3.7.3
Using Parallel IRQ Interrupts
317
. . . . . . . . . . . . . . . . . . . . . . . . .
3.7.4
Using Parallel PCI Interrupts
318
. . . . . . . . . . . . . . . . . . . . . . . . .
PDF 
ZIP
