AT89C5131A-L View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

AT89C5131A-L

8-bit Flash Microcontroller with Full Speed USB Device

Atmel Corporation 

PCB Recommandations

Figure 5. USB Pads

VRef

D+

D-

Components must be

close to the

microcontroller

Wires must be routed in Parallel and

must be as short as possible

USB Connector

If possible, isolate D+ and D- signals from other signals

with ground wires

Figure 6. USB PLL

Components must be

close to the

microcontroller

AVss PLLF

Isolate filter components

with a ground wire

12 AT89C5131A-L

4338E–USB–06/06

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