h8s-2172 Renesas Electronics Corporation., h8s-2172 Datasheet - Page 356

• Manufacturer Part Number: h8s-2172
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family H8s-2100 Series
• Manufacturer: Renesas Electronics Corporation.

Rev. 2.00, 03/04, page 324 of 534
Bit
24
23 to 18
17
16
15 to 10
9
Bit Name
MODE F

VBUS MN 0
VBUS F

EP3TR
Initial
Value
0
0
0
All 0
0
R/W
R/W
R
R
R/W
R
R/W
Description
USB Transfer Mode Change Detection
[Setting condition]
This bit is set to 1 when the USB mode status bits are
changed.
[Clearing conditions]
•
•
Reserved
The write value should always be 0.
This bit is a status bit which monitors the state of the
USVBUS pin. This bit reflects the state of the USVBUS
pin.
1: The USVBUS pin is connected.
0: The USVBUS pin is not connected.
USB Connection/disconnection Detection
[Setting condition]
This bit is set to 1 when the function is
connected/disconnected to/from the USB bus.
[Clearing conditions]
•
•
Reserved
The write value should always be 0.
EP3 Transfer Request
[Setting condition]
This bit is set to 1 if there is no valid data in the FIFO
when an IN token is sent from the host to EP3.
[Clearing conditions]
•
•
USB Connection Status
At a reset
When 0 is written to this bit
At a reset
When 0 is written to this bit
At a reset
When 0 is written to this bit