TOOLSTICK381DC Silicon Laboratories Inc, TOOLSTICK381DC Datasheet - Page 15

• Manufacturer Part Number: TOOLSTICK381DC
• Description: TOOLSTICK DAUGHTER CARD
• Manufacturer: Silicon Laboratories Inc
• Series: ToolStickr

Specifications of TOOLSTICK381DC

• Processor To Be Evaluated: C8051F380
• Processor Series: C8051F38x
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 336-2020

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USB Register Access Scheme
Two SFRs used to provide access
to the configuration registers
(USB0ADR and USB0DAT)
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Endpoint Access via the Index
register
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USB Endpoint FIFOs accessed via
the indexing scheme
First set USB0ADR to define the USB
register to access
Write/Read data to/from USB0DAT
Set USB0ADR to point to the Index
register
Use USB0DAT to write the endpoint
address desired into the index register
Switch USB0ADR to point to the
Endpoint Control/Status registers
Use USB0DAT to write/read data
to/from the endpoint registers
USB clock must be active when accessing the USB0 Control/Status registers
SFRs
Indexed Registers
Registers
Indexed