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USBN9603 Datasheet(Fiches technique) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Numéro de pièce USBN9603
Description  Universal Serial Bus Full Speed Function Controller with Enhanced DMA Support
Télécharger  60 Pages
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Fabricant  NSC [National Semiconductor (TI)]
Site Internet  http://www.national.com
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Table of Contents
1.0
Signal/Pin Connection and Description
1.1
CONNECTION DIAGRAMS ........................................................................................................ 6
1.2
DETAILED SIGNAL/PIN DESCRIPTIONS .................................................................................. 7
1.2.1
Power Supply ................................................................................................................ 7
1.2.2
Oscillator, Clock and Reset ........................................................................................... 7
1.2.3
USB Port ....................................................................................................................... 8
1.2.4
Microprocessor Interface ............................................................................................... 8
2.0
Functional Overview
2.1
TRANSCEIVER ......................................................................................................................... 10
2.2
VOLTAGE REGULATOR (VREG) ............................................................................................. 10
2.3
SERIAL INTERFACE ENGINE (SIE) ......................................................................................... 10
2.4
ENDPOINT PIPE CONTROLLER (EPC) ................................................................................... 12
2.5
MICROCONTROLLER INTERFACE ......................................................................................... 12
3.0
Parallel Interface
3.1
NON-MULTIPLEXED MODE ..................................................................................................... 13
3.1.1
Standard Access Mode ............................................................................................... 14
3.1.2
Burst Mode .................................................................................................................. 14
3.1.3
User Registers .............................................................................................................14
3.2
MULTIPLEXED MODE .............................................................................................................. 15
4.0
Direct Memory Access (DMA) Support
4.1
STANDARD DMA MODE (DMA) ............................................................................................... 16
4.2
AUTOMATIC DMA MODE (ADMA) ........................................................................................... 17
5.0
MICROWIRE/PLUS Interface
5.1
OPERATING COMMANDS ....................................................................................................... 19
5.2
READ AND WRITE TIMING ...................................................................................................... 20
6.0
Functional Description
6.1
FUNCTIONAL STATES ............................................................................................................. 22
6.1.1
Line Condition Detection ............................................................................................. 22
6.1.2
Functional State Transition .......................................................................................... 22
6.2
ENDPOINT OPERATION .......................................................................................................... 24
6.2.1
Address Detection ....................................................................................................... 24
6.2.2
Transmit and Receive Endpoint FIFOs ....................................................................... 24
6.2.3
Programming Model .................................................................................................... 28
6.3
POWER SAVING MODES ........................................................................................................ 28
7.0
Register Set
7.1
CONTROL REGISTERS ........................................................................................................... 30
7.1.1
Main Control Register (MCNTRL) ............................................................................... 30
7.1.2
Clock Configuration Register (CCONF)...................................................................... 31




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