USBN9603-28M Integrated Circuit Chip Bus Full Speed Function Controller with Enhanced DMA Support

USBN9603 Universal Serial Bus Full Speed Function Controller with Enhanced DMA Support

General Description

The USBN9603 is an integrated, USB Node controller that features enhanced DMA support with many automatic data handling features. It is compatible with USB specification versions 1.0 and 1.1, and is an advanced version of the currently available USBN9602.

A single IC integrates the required USB transceiver with a 3.3V regulator, a Serial Interface Engine (SIE), USB endpoint (EP) FIFOs, a versatile 8-bit parallel interface, a clock generator and a MICROWIRE/PLUS™ interface. Seven endpoint pipes are supported: one for the mandatory control endpoint and six to support interrupt, bulk and isochronous endpoints. Each endpoint pipe has a dedicated FIFO, 8 bytes for the control endpoint and 64 bytes for the other endpoints. The 8-bit parallel interface supports multiplexed and non-multiplexed style CPU address/data buses. A programmable interrupt output scheme allows device configuration for different interrupt signaling requirements.

Outstanding Features

● Low EMI, low standby current, 24 MHz oscillator

● Advanced DMA mechanism

● Fully static HALT mode with asynchronous wake-up for bus powered operation

● 5V or 3.3V operation

● Improved input range 3.3V signal voltage regulator

● All unidirectional FIFOs are 64 bytes

● Power-up reset and startup delay counter simplify system design

● Simple programming model controlled by external controller

● Available in two packages

— USBN9603SLB: small footprint for new designs and portable applications

— USBN9603-28M: standard package, pin-to-pin compatible with USBN9602-28M

Features

● Full-speed USB node device

● USB transceiver

● 24 MHz oscillator circuit

● Programmable clock generator

● Serial Interface Engine (SIE) consisting of Physical Layer Interface (PHY) and Media Access Controller (MAC), USB Specification 1.0 and 1.1 compliant

● Control/Status register file

● USB Function Controller with seven FIFO-based Endpoints:

— One bidirectional Control Endpoint 0 (8 bytes)

— Three Transmit Endpoints (64 bytes each)

— Three Receive Endpoints (64 bytes each)

● 8-bit parallel interface with two selectable modes:

— Non-multiplexed

— Multiplexed (Intel compatible)

● Enhanced DMA support

— Automatic DMA (ADMA) mode for fully CPU-independent transfer of large bulk or ISO packets

— DMA controller, together with the USBN9603 ADMA logic, can transfer a large block of data in

64-byte packets via the USB

— Automatic Data PID toggling/checking and NAK packet recovery (maximum 256x64 bytes of

data = 16K bytes)

● MICROWIRE/PLUS^TM interface

Block Diagram

ABSOLUTE MAXIMUM RATINGS

Absolute maximum ratings indicate limits beyond which damage to the device may occur.

Supply Voltage -0.5V to +7.0V

DC Input Voltage -0.5V to VCC +0.5V

DC Output Voltage -0.5V to VCC +0.5V

Storage Temperature -65˚C to +150˚C

Lead Temperature (Soldering 10 seconds) 260˚C

ESD Rating1 4.5 KV

1. Human body model; 100 pF discharged through a 1.5 KΩ resistor

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