Microsemi SmartFusion2 - Table 206 USB_IRQ_EN_REG (0 X4004300 B); Table 207 FRAME_REG (0 X4004300 C); Table 208 INDEX_REG (0 X4004300 E)

Universal Serial Bus OTG Controller
UG0331 User Guide Revision 15.0 313
10.3.5.8 USB_IRQ_EN_REG Bit Definitions
10.3.5.9 FRAME_REG Bit Definitions
10.3.5.10 INDEX_REG Bit Definitions
0 Suspend 0 Set when suspend signaling is detected on the bus. Only valid in Peripheral
mode.
Table 206 • USB_IRQ_EN_REG (0x4004300B)
Bit
Number Name
Reset
Value Function
7 VbEn 0 Interrupt Enable for corresponding bit[7], VBus Error in USB_IRQ_REG
6 SrEn 0 Interrupt Enable for corresponding bit[6], Sess Req in USB_IRQ_REG
5 DcEn 0 Interrupt Enable for corresponding bit[5], Discon in USB_IRQ_REG
4 CoEn 0 Interrupt Enable for corresponding bit[4], Conn in USB_IRQ_REG
3 SofEn 0 Interrupt Enable for corresponding bit[3], SOF in USB_IRQ_REG
2 ReBaEn 1 Interrupt Enable for corresponding bit[2], Reset/Babble in USB_IRQ_REG
1 ReEn 1 Interrupt Enable for corresponding bit[1], Resume in USB_IRQ_REG
0 SuEn 0 Interrupt Enable for corresponding bit[0], Suspend in USB_IRQ_REG
Table 207 • FRAME_REG (0x4004300C)
Bit
Number Name
Reset
Value Function
[15:11] Reserved N/A N/A
[10:0] Frame Number 0 This is the 11-bit frame number, with bit[10] being MSB and bit[0] being LSB.
Table 208 • INDEX_REG (0x4004300E)
Bit
Number Name
Reset
Value Function
[3:0] Selected Endpoint 0 This is the index into the selected endpoint.
Table 205 • USB_IRQ_REG (0x4004300A)
Bit
Number Name
Reset
Value Function