U_Imr1 (Usb Interrupt Mask Register 1) - NEC uPD98502 User Manual

6.2.5 U_IMR1 (USB Interrupt Mask Register 1)

This register is used to mask interrupts.
When a bit in this register is set to a '1' and the corresponding bit in the USB General Status Register 1 (Address:
10H) is set to a '1', an interrupt is issued.
Bits Field
31 GSR2
30:24 Reserved
23 TMF
22 RMF
21 RPE2
20 RPE1
19 RPE0
18 RPA2
17 RPA1
16 RPA0
15:11 Reserved
10 DER
9 EP2FO
8 EP1FU
7 EP6RF
6 EP5TF
5 EP4RF
316
CHAPTER 6 USB CONTROLLER
R/W Default
R/W 0 General Status Register 2 Interrupt:
1 = unmask.
0 = mask.
R/W 0 Reserved for future use. Writes '0's.
R/W 0 Tx MailBox Full:
1 = unmask.
0 = mask.
R/W 0 Rx MailBox Full:
1 = unmask.
0 = mask.
R/W 0 Rx Pool2 Empty:
1 = unmask.
0 = mask.
R/W 0 Rx Pool1 Empty:
1 = unmask.
0 = mask.
R/W 0 Rx Pool0 Empty:
1 = unmask.
0 = mask.
R/W 0 Rx Pool2 Alert:
1 = unmask.
0 = mask.
R/W 0 Rx Pool1 Alert:
1 = unmask.
0 = mask.
R/W 0 Rx Pool0 Alert:
1 = unmask.
0 = mask.
R/W 0 Reserved for future use. Writes '0's.
R/W 0 DMA Error:
1 = unmask.
0 = mask.
R/W 0 EP2 FIFO Error:
1 = unmask.
0 = mask.
R/W 0 EP1 FIFO Error:
1 = unmask.
0 = mask.
R/W 0 EP6 Rx Finished:
1 = unmask.
0 = mask.
R/W 0 EP5 Tx Finished:
1 = unmask.
0 = mask.
R/W 0 EP4 Rx Finished:
1 = unmask.
0 = mask.
Preliminary User's Manual S15543EJ1V0UM
Description