CX82100 Home Network Processor Data Sheet
8.9.13
EP_OUT Receive Decrement Register (EP_OUT_RX_DEC: 0x00330078)
Bit(s)
7:0
Type
RW
Default
8'b0
Name
EP_OUT_RX _DEC
Description
Endpoint OUT Receive Decrement Register.
No. of packets that have been transferred from the host RX
DMA buffer. Updated by firmware.
8.9.14
EP_OUT Receive Pending Register (EP_OUT_RX_PEND: 0x0033007C)
Bit(s)
7:0
Type
RO
Default
8'b0
Name
EP_OUT_RX_PEND
Description
Endpoint OUT Receive Pending Register.
No. of received packets that have been transferred to the
host RX DMA buffer by the USB DMA DMAC channel.
Note: No new packets will be transferred if
EP_OUT_PEND = EP_BUFSIZE.
8.9.15
EP_OUT Receive Buffer Size Register (EP_OUT_RX_BUFSIZE: 0x00330084)
Bit(s)
7:0
Type
RW
Default
8'b0
Name
EP_OUT_RX_BUFSIZE
Description
Total Received Packet Size.
Should be less than or equal 226, should match with value
programmed into DMAC_12_Cnt1 register minus one count.
Using the following formula given the USB RX DMA Size
(DMA_SIZE) in bytes, DMA_SIZE < = 16376 and a multiple
integer number of 72
DMAC_12_Cnt1 = (DMA_SIZE / 8)
Count value = ((DMA_SIZE) / 72) -1
8.9.16
EP_OUT Receive qword Count Register (EP_OUT_RX_QWCNT: 0x00330080)
Bit(s)
3:0
Type
RO
Default
4'b0
Name
EP_OUT_RX_QWCNT
Description
Receive qword Count Register.
Used by hardware.
101306C
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