Cypress Semiconductor FX2LP Technical Information Seite 452

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EZ-USB FX2 Technical Reference Manual v2.1 Appendix C - 26
EZ-USB FX2 Registers & Buffers
E640 1 EP2ISOINPKTS EP2 (if ISO) IN Packets per
frame (1-3)
0 0 0 0 0 0 INPPF1 INPPF0 00000001 rrrrrrbb INPPF1:0: 00=illegal,
01=1 per frame, 10=2 per
frame, 11=3 per frame
E641 1 EP4ISOINPKTS EP4 (if ISO) IN Packets per
frame (1-3)
0 0 0 0 0 0 INPPF1 INPPF0 00000001 rrrrrrbb
E642 1 EP6ISOINPKTS EP6 (if ISO) IN Packets per
frame (1-3)
0 0 0 0 0 0 INPPF1 INPPF0 00000001 rrrrrrbb
E643 1 EP8ISOINPKTS EP8 (if ISO) IN Packets per
frame (1-3)
0 0 0 0 0 0 INPPF1 INPPF0 00000001 rrrrrrbb
4 reserved
E648 1 INPKTEND
see Section 15.14
Force IN Packet End Skip 0 0 0 EP3 EP2 EP1 EP0 xxxxxxxx W Same function as slave inter-
face PKTEND pin, but 8051
controls dispatch of IN,
Typically used after a GPIF
FIFO transaction completes
to send jagged edge pkt,
user needs to check status of
FIFO full flag for available
buffer before doing PKTEND
E649 7 OUTPKTEND Force out Packet End Skip 0 0 0 EP3 EP2 EP1 EP0 xxxxxxxx W REVCTL.0=1 to enable this
feature
INTERRUPTS
E650 1 EP2FIFOIE
see Section 15.14
Endpoint 2 slave FIFO Flag In-
terrupt Enable
0 0 0 0 EDGEPF PF EF FF 00000000 RW EDGEPF=0; Rising edge
EDGEPF=1; Falling edge
E651 1 EP2FIFOIRQ
see Section 15.14
Endpoint 2 slave FIFO Flag In-
terrupt Request
0 0 0 0 0 PF EF FF 00000000 RW
E652 1 EP4FIFOIE
see Section 15.14
Endpoint 4 slave FIFO Flag In-
terrupt Enable
0 0 0 0 EDGEPF PF EF FF 00000000 RW
E653 1 EP4FIFOIRQ
see Section 15.14
Endpoint 4 slave FIFO Flag In-
terrupt Request
0 0 0 0 0 PF EF FF 00000000 RW
E654 1 EP6FIFOIE
see Section 15.14
Endpoint 6 slave FIFO Flag In-
terrupt Enable
0 0 0 0 EDGEPF PF EF FF 00000000 RW
E655 1 EP6FIFOIRQ
see Section 15.14
Endpoint 6 slave FIFO Flag In-
terrupt Request
0 0 0 0 0 PF EF FF 00000000 RW
E656 1 EP8FIFOIE
see Section 15.14
Endpoint 8 slave FIFO Flag In-
terrupt Enable
0 0 0 0 EDGEPF PF EF FF 00000000 RW
E657 1 EP8FIFOIRQ
see Section 15.14
Endpoint 8 slave FIFO Flag In-
terrupt Request
0 0 0 0 0 PF EF FF 00000000 RW
E658 1 IBNIE IN-BULK-NAK Interrupt Enable 0 0 EP8 EP6 EP4 EP2 EP1 EP0 00000000 RW
E659 1 IBNIRQ IN-BULK-NAK interrupt Re-
quest
0 0 EP8 EP6 EP4 EP2 EP1 EP0 00000000 RW 1 = clear request, 0= no effect
E65A 1 NAKIE Endpoint Ping-NAK / IBN Inter-
rupt Enable
EP8 EP6 EP4 EP2 EP1 EP0 0 IBN 00000000 RW OUT endpoint was pinged
and NAK'd
E65B 1 NAKIRQ Endpoint Ping-NAK / IBN Inter-
rupt Request
EP8 EP6 EP4 EP2 EP1 EP0 0 IBN 00000000 RW
E65C 1 USBIE USB Int Enables 0 EP0ACK HSGRANT URES SUSP SUTOK SOF SUDAV 00000000 RW
E65D 1 USBIRQ USB Interrupt Requests 0 EP0ACK HSGRANT URES SUSP SUTOK SOF SUDAV 00000000 RW 1 = clear request, 0= no effect
E65E 1 EPIE Endpoint Interrupt Enables EP8 EP6 EP4 EP2 EP1OUT EP1IN EP0OUT EP0IN 00000000 RW
E65F 1 EPIRQ Endpoint Interrupt Requests EP8 EP6 EP4 EP2 EP1OUT EP1IN EP0OUT EP0IN 00000000 RW 1 = clear request, 0= no effect
Hex Size Name Description b7 b6 b5 b4 b3 b2 b1 b0 Default Access Notes
Seitenansicht 451

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