at91rm3400 ATMEL Corporation, at91rm3400 Datasheet - Page 398

• Manufacturer Part Number: at91rm3400
• Description: Atmel Advanced At91 Arm Microcontroller
• Manufacturer: ATMEL Corporation

Typical Connection
Figure 162. Board Schematic to Interface USB Device Peripheral
398
AT91RM3400
DDM
PAm
DDP
PAn
22K
System
USB_CNX is an input signal used to check if the host is connected
USB_DP_PUP is an output signal used to enable pull-up on DP.
Figure 162 shows automatic activation of pull-up after reset.
Reset
15K
3V3
47k
15pF
15pF
27
15k
27
33pF
Connector
Type B
100nF
1790A–ATARM–11/03