USBN9603 National Semiconductor, USBN9603 Datasheet - Page 2

• Manufacturer Part Number: USBN9603
• Description: USBN9603 Universal Serial Bus Full Speed Function Controller with Enhanced DMA Support
• Manufacturer: National Semiconductor

www.national.com
Features
Full-speed USB node device
USB transceiver
24 MHz oscillator circuit
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 End-
points:
— 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-inde-
— DMA controller, together with the USBN9603 ADMA
— Automatic Data PID toggling/checking and NAK
MICROWIRE/PLUS
Programmable clock generator
pendent transfer of large bulk or ISO packets
logic, can transfer a large block of data in 64-byte
packets via the USB
packet recovery (maximum 256x64 bytes of data =
16K bytes)
interface
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