at32uc3b0512-z2ues ATMEL Corporation, at32uc3b0512-z2ues Datasheet - Page 454

• Manufacturer Part Number: at32uc3b0512-z2ues
• Description: 32-bit Avr Microcontroller
• Manufacturer: ATMEL Corporation

22.8.3
22.8.3.1
Register Name:
Access Type:
Offset:
Reset Value:
•
•
•
32059J–12/2010
RESUME: Send USB Resume
RESET: Send USB Reset
SOFE: Start of Frame Generation Enable
31
23
15
7
-
-
-
-
Writing a one to this bit will generate a USB Resume on the USB bus.
This bit is cleared when the USB Resume has been sent or when a USB reset is requested.
Writing a zero to this bit has no effect.
This bit should be written to one only when the start of frame generation is enable. (SOFE bit is one).
Writing a one to this bit will generate a USB Reset on the USB bus.
This bit is cleared when the USB Reset has been sent.
It may be useful to write a zero to this bit when a device disconnection is detected (UHINT.DDISCI is one) whereas a USB Reset
Writing a one to this bit will generate SOF on the USB bus in full speed mode and keep alive in low speed mode.
Writing a zero to this bit will disable the SOF generation and to leave the USB bus in idle state.
This bit is set when a USB reset is requested or an upstream resume interrupt is detected (UHINT.TXRSMI).
is being sent.
USB Host Registers
Host General Control Register
30
22
14
6
-
-
-
-
UHCON
Read/Write
0x0400
0x00000000
29
21
13
5
-
-
-
-
28
20
12
4
-
-
-
-
27
19
11
3
-
-
-
-
RESUME
26
18
10
2
-
-
-
RESET
25
17
9
1
-
-
-
AT32UC3B
SOFE
24
16
8
0
-
-
-
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