78Q8430-100CGTR/F Maxim Integrated Products, 78Q8430-100CGTR/F Datasheet - Page 56
78Q8430-100CGTR/F
Manufacturer Part Number
78Q8430-100CGTR/F
Description
Telecom ICs 10/100MAC+PHY MULTI MEDIA OFFLOAD CNTRLR
Manufacturer
Maxim Integrated Products
Datasheet
1.78Q8430-ARM9-EVM.pdf
(88 pages)
- Current page: 56 of 88
- Download datasheet (2Mb)
78Q8430 Data Sheet
7.5
7.5.1
7.5.2
56
Name: PCWR
Bits
31:30
29:25
24:16
15:10
9
8
7
6
5
4
3
2
1
0
Name: PSZR
Bits
31:16
15:0
QUE Registers
Packet Control Word Register
Packet Size Register
Type
Type
WO
WO
WO
WO
WO
WO
WO
WO
WO
WO
WO
RW
X
X
X
X
Default
Default
0000
Reset Val: 0x0000_0000
Reset Val: 0x0000_0000
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Description
Reserved
Preload
The number of bytes to pre-load into the MAC TX FIFO before the
frame begins transmission to the PHY. This may need to be non-zero
for large IP headers that want to have the checksum inserted to ensure
the checksum is not transmitted before the end of the header is loaded.
Packet ID
The 9-bit ID value used to identify this packet in the TX status FIFO.
IP Header Offset
Offset in bytes to the IP header in this frame. If this value is non-zero
then the IP header checksum will be corrected.
Append CRC
When set, the transmitter shall append the correct CRC checksum to
the end of the frame.
Fix CRC
When set, the transmitter shall correct the existing CRC checksum on
the end of the packet.
Reserved
Disable Padding
For small packets (<64 Bytes).
Late Notify
Interrupt on completion.
Early Notify
Interrupt at beginning of transmission.
Interrupt on excessive collisions.
Disable deferral timeout.
Enable fast back-off timer.
Reserved
Description
Reserved
Packet Size
The size, in bytes, of the packet that will be added to the QUE.
Block: QUE
Block: QUE
Address: 0x000
Address: 0x004
DS_8430_001
Rev. 1.2
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