USB97C100 Standard Microsystems Corporation, USB97C100 Datasheet - Page 8

• Manufacturer Part Number: USB97C100
• Description: USB97C100 Multi-endpoint Usb Peripheral Controller(not Recommended For Designs)
• Manufacturer: Standard Microsystems Corporation

USB97C100 BLOCK DIAGRAM
SMSC DS – USB97C100
Purpose
General
GPIO[0:7]
FA[19:0]
FD[7:0]
nFWR
Interface
nFRD
nFCE
Flash
IO
IRQ[3:0]
End Point
SIE DMA
Queue
GPIO
Control
Rx/TX
8051
SA[19:0]
SD[7:0],
FIGURE 2 - BLOCK DIAGRAM
Quasi ISA Bus
nMEMW,
nMEMR
nIOW,
nIOR,
Serial Interface
Page 8
Engine
nDACK[3:0],
8237
DRQ[3:0],
TC, AEN
Arbiter
USB Interface
USBD-
Management
Memory
4k Data Buffer RAM
Unit
Tranceiver
USBD+
Map RAM
Rev. 01/03/2001