USBN9602 Datasheet, PDF (1/45 Pages) National Semiconductor (TI) – USBN9602 (Universal Serial Bus) Full Speed Function Controller With DMA Support

November 1998
USBN9602 (Universal Serial Bus)
Full Speed Function Controller With DMA Support
1.0 General Description
The USBN9602 is an integrated USB Node controller com- _{trol endpoint EP0 and six FIFOs for an additional six unidi-}
patible with the USB Specification Versions 1.0 and 1.1. _{rectional Endpoint Pipes to support USB interrupt, bulk and}
Integrated onto a single IC are the required USB trans- _{isochronous data transfers. The 8-bit parallel interface sup-}
ceiver with a 3.3V Regulator, Media Access Controller, _{ports multiplexed and non-multiplexed style CPU}
USB endpoint (EP) FIFOs, a versatile 8-bit parallel inter- _{address/data buses. A programmable interrupt output}
face, MICROWIRE/PLUS™ Interface and a clock genera- _{scheme allows device configuration for different interrupt}
tor. A total of seven FIFO buffers support the different USB _{signaling requirements.}
messages: one bidirectional FIFO for the mandatory con-
Block Diagram
CS
RD WR
A0/ALE D[7:0]/AD[7:0] INTR MODE[1:0]
Microcontroller Interface
RESET
Vcc
GND
Endpoint/Control FIFOs
Control
Status
48 MHz
Oscillator
XIN
XOUT
RX
TX
SIE
Media Access Controller (MAC)
Physical Layer Interface (PHY)
Clock
Generator
Clock
Recovery
USB Event
Detect
Transceiver
VReg
D+ D-
Upstream Port
TRI-STATE^® is a registered trademark of National Semiconductor Corporation.
MICROWIRE/PLUS™ and MICROWIRE™ are trademarks of National Semiconductor Corporation.
© 1998 National Semiconductor Corporation
CLKOUT
V3.3
AGND
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