CHAPTER 12 USB FUNCTION CONTROLLER (USBF)
Preliminary User’s Manual U19014EJ1V0UD
304
(19) UF0 INT mask 3 register (UF0IM3)
This register controls masking of the interrupt sources indicated by the UF0IS3 register.
This register can be read or written in 8-bit units.
FW can mask occurrence of an interrupt request (INTUSB1B) from USBF by writing 1 to the corresponding bit
of this register.
The related bits are invalid if each endpoint is not supported by the setting of the UF0E2IM register and the
current setting of the interface.
0
UF0IM3
0
5
0
3
BKO1
FLM
2
BKO1
NLM
1
BKO1
NAKM
BKO1
DTM
Address
FF3AH
After reset
00H
0
4
0
6
7
Bit position
Bit name
Function
3
BKO1FLM
This bit masks the BKO1FL interrupt.
1: Mask
0: Do not mask (default value)
2
BKO1NLM
This bit masks the BKO1NL interrupt.
1: Mask
0: Do not mask (default value)
1
BKO1NAKM
This bit masks the BKO1NK interrupt.
1: Mask
0: Do not mask (default value)
0
BKO1DTM
This bit masks the BKO1DT interrupt.
1: Mask
0: Do not mask (default value)
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