SONIX SN32F264 - USB Interrupt Event Status Clear Register (USB_INSTSC)

SN32F260 Series
32-Bit Cortex-M0 Micro-Controller
SONiX TECHNOLOGY CO., LTD Page 110 Version 1.5
18
ERR_SETUP
Wrong Setup data received. This flag will not trigger USB interrupt.
0: Normal 8-byte Setup DATA0 is received.
1: Setup data is not 8-byte or is not DATA0. Cleared by write 1 to
USB_INSTSC[18].
R
0
17
ERR_TIMEOUT
Timeout status. This flag will not trigger USB interrupt.
0: No timeout.
1: Host ACK response timeout after IN data packet is sent. Cleared by write
1 to USB_INSTSC[17].
R
0
16:12
Reserved
R
0
11
EP4_ACK
Endpoint 4 ACK transaction flag.
0: No Endpoint 4 ACK transacation.
1: Endpoint 4 ACK transaction completes. Cleared by write 1 to
USB_INSTSC[11].
R
0
10
EP3_ACK
Endpoint 3 ACK transaction flag.
0: No Endpoint 3 ACK transacation.
1: Endpoint 3 ACK transaction completes. Cleared by write 1 to
USB_INSTSC[10].
R
0
9
EP2_ACK
Endpoint 2 ACK transaction flag.
0: No Endpoint 2 ACK transacation.
1: Endpoint 2 ACK transaction completes. Cleared by write 1 to
USB_INSTSC[9].
R
0
8
EP1_ACK
Endpoint 1 ACK transaction flag.
0: No Endpoint 1 ACK transacation.
1: Endpoint 1 ACK transaction completes. Cleared by write 1 to
USB_INSTSC[8].
R
0
7:4
Reserved
R
0
3
EP4_NAK
Endpoint 4 NAK transaction flag.
0: No EP4 NAK transaction.
1: EP4 NAK transaction completes. Cleared by write 1 to USB_INSTSC[3].
R
0
2
EP3_NAK
Endpoint 3 NAK transaction flag.
0: No Endpoint 3 NAK transaction.
1: EP3 NAK transaction completes. Cleared by write 1 to USB_INSTSC[2].
R
0
1
EP2_NAK
Endpoint 2 NAK transaction flag.
0: No EP2 NAK transaction.
1: EP2 NAK transaction completes. Cleared by write 1 to USB_INSTSC[1].
R
0
0
EP1_NAK
Endpoint 1 NAK transaction flag.
0: No EP1 NAK transaction.
1: EP1 NAK transaction completes. Cleared by write 1 to USB_INSTSC[0].
R
0
10.9.3 USB Interrupt Event Status Clear Register (USB_INSTSC)
Address Offset: 0x08
Reset value: 0x0000 0000
Bit
Name
Description
Attribute
Reset
31
BUS_RESETC
0: No effect.
1: Clear BUS_RESET bit.
W
0
30
Reserved
R
-
29
BUS_RESUMEC
0: No effect.
1: Clear BUS_RESUME bit.
W
0
28:27
Reserved
R
-
26
USB_SOFC
0: No effect.
1: Clear USB_SOF bit.
W
0
25
Reserved
R
0
24
EP0_PRESETUPC
0: No effect
1: Clear EP0_PRESETUP bit.
W
0
23
EP0_SETUPC
0: No effect
1: Clear EP0_SETUP bit.
W
0