UM10360 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
User manual Rev. 3 — 19 December 2013 230 of 841
NXP Semiconductors
UM10360
Chapter 11: LPC176x/5x USB device controller
11.10.3.4 USB Endpoint Interrupt Set register (USBEpIntSet - 0x5000 C23C)
Writing a one to a bit in this register sets the corresponding bit in USBEpIntSt. Writing zero
has no effect. Each endpoint has its own bit in this register. USBEpIntSet is a write-only
register.
11.10.3.5 USB Endpoint Interrupt Priority register (USBEpIntPri - 0x5000 C240)
This register determines whether an endpoint interrupt is routed to the EP_FAST or
EP_SLOW bits of USBDevIntSt. If a bit in this register is set to one, the interrupt is routed
to EP_FAST, if zero it is routed to EP_SLOW. Routing of multiple endpoints to EP_FAST
or EP_SLOW is possible.
Note that the USBDevIntPri register determines whether the EP_FAST interrupt is routed
to the USB_INT_REQ_HP or USB_INT_REQ_LP interrupt line.
Table 205. USB Endpoint Interrupt Clear register (USBEpIntClr - address 0x5000 C238) bit allocation
Reset value: 0x0000 0000
Bit 31 30 29 28 27 26 25 24
Symbol
EP15TX EP15RX EP14TX EP14RX EP13TX EP13RX EP12TX EP12RX
Bit 23 22 21 20 19 18 17 16
Symbol
EP11TX EP11RX EP10TX EP10RX EP9TX EP9RX EP8TX EP8RX
Bit 15 14 13 12 11 10 9 8
Symbol
EP7TX EP7RX EP6TX EP6RX EP5TX EP5RX EP4TX EP4RX
Bit 7 6 5 4 3 2 1 0
Symbol
EP3TX EP3RX EP2TX EP2RX EP1TX EP1RX EP0TX EP0RX
Table 206. USB Endpoint Interrupt Clear register (USBEpIntClr - address 0x5000 C238) bit description
Bit Symbol Value Description Reset value
31:0 See USBEpIntClr bit
allocation table above
0 No effect. 0
1 Clears the corresponding bit in USBEpIntSt, by executing the SIE
Select Endpoint/Clear Interrupt command for this endpoint.
Table 207. USB Endpoint Interrupt Set register (USBEpIntSet - address 0x5000 C23C) bit allocation
Reset value: 0x0000 0000
Bit 31 30 29 28 27 26 25 24
Symbol
EP15TX EP15RX EP14TX EP14RX EP13TX EP13RX EP12TX EP12RX
Bit 23 22 21 20 19 18 17 16
Symbol
EP11TX EP11RX EP10TX EP10RX EP9TX EP9RX EP8TX EP8RX
Bit 15 14 13 12 11 10 9 8
Symbol
EP7TX EP7RX EP6TX EP6RX EP5TX EP5RX EP4TX EP4RX
Bit 7 6 5 4 3 2 1 0
Symbol
EP3TX EP3RX EP2TX EP2RX EP1TX EP1RX EP0TX EP0RX
Table 208. USB Endpoint Interrupt Set register (USBEpIntSet - address 0x5000 C23C) bit description
Bit Symbol Value Description Reset value
31:0 See USBEpIntSet bit
allocation table above
0 No effect. 0
1 Sets the corresponding bit in USBEpIntSt.
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