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MB90335 Series
[bit 9] CANCEL: Token cancellation permission
This bit sets whether a token is to be cancelled when the token (which is issued in an EOF area) has
never been executed and is in waiting status if the SOFIRQ bit in the host interrupt register (HIRQ) is
"1". It is not initialized with the RST bit in the UDC control register (UDCC).
CANCEL
[bit 8] RETRY: Retry permission
This bit sets whether a retry is attempted when a NAK and CRC errors happen. It is not initialized with
the RST bit in the UDC control register (UDCC).
[bit 7] RWKIRE: Reactivation interrupt request permission
It is a bit to set whether an interrupt is to be generated when the HOST function can be operational after
resume operation has been completed. In host mode, to enter suspend status, write "1" to the SUSP bit
in the host state status register. Only the host mode is effective. It is not initialized with the RST bit in
the UDC control register (UDCC).
[bit 6] URIRE: USB bus reset interrupt request enable
This bit sets whether an interrupt is to be generated when reset operation to the USB bus has been
completed. Only the host mode is effective. It is not initialized with the RST bit in the UDC control
register (UDCC).
CM44-10137-6E
0
Token continuance
1
Token discontinuance
RETRY
0
No retry
1
Retry
RWKIRE
0
Reactivation interrupt disable
1
Reactivation interrupt enable
URIRE
0
Interrupt disabled after USB bus is reset
1
Interruption enable after USB bus is reset
FUJITSU MICROELECTRONICS LIMITED
CHAPTER 12 USB HOST
12.4 Register of USB HOST
Operation mode
Operation mode
Operation mode
Operation mode
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