DP83820BVUW National Semiconductor, DP83820BVUW Datasheet - Page 60

• Manufacturer Part Number: DP83820BVUW
• Description: IC INTERFACE CONTROLLER 208-PQFP
• Manufacturer: National Semiconductor

Specifications of DP83820BVUW

• Controller Type: Ethernet Controller, MAC/BIU
• Interface: IEEE 802.3
• Voltage - Supply: 3.3V
• Current - Supply: 150mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 208-MQFP, 208-PQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: *DP83820BVUW

4.0 Register Set
Example: Pattern match on the following destination
addresses:
RFCR = (IO base + 48h)
RFDR = (IO base + 4Ch))
# write counts
iowrite l RFCR (0006)
iowrite l RFDR (0406)
iowrite l RFCR (0008)
iowrite l RFDR (0406)
# write data pattern into buffer 0
iowrite l RFCR (200)
iowrite l RFDR (0002)
iowrite l RFCR (202)
iowrite l RFDR (0103)
iowrite l RFCR (204)
iowrite l RFDR (0204)
# write data pattern into buffer 1
iowrite l RFCR (280)
iowrite l RFDR (1012)
iowrite l RFCR (282)
iowrite l RFDR (1113)
iowrite l RFCR (284)
iowrite l RFDR (1214)
02-00-03-01-04-02
12-10-13-11-14-12
22-20-23-21-24-22
32-30-33-31-34-32
Pattern 3 Word 3Fh
Pattern 3 Word 0
Pattern 2 Word 3Fh
Pattern 2 Word 0
Pattern 1 Word 3Fh
Pattern 1 Word 0
Pattern 0 Word 3Fh
Pattern 0 Word 1
Pattern 0 Word 0
Bit#
(Continued)
# pattern count registers 1, 0
# count 1 = 4, count 0= 6
# pattern count registers 3, 2
# count 3 = 4, count 2 = 6
Figure 4-1 Pattern Buffer Memory -100h words (word=18bits)
17
match 6 bytes
match 4 bytes
match 6 bytes
match 4 bytes
16
60
byte 127
byte 1
byte 127
byte 1
byte 127
byte 1
byte 127
byte 3
byte 1
15
# write data pattern into buffer 2
iowrite l RFCR (300)
iowrite l RFDR (2022)
iowrite l RFCR (302)
iowrite l RFDR (2123)
iowrite l RFCR (304)
iowrite l RFDR (2224)
# write data pattern into buffer 3
iowrite l RFCR (380)
iowrite l RFDR (3032)
iowrite l RFCR (382)
iowrite l RFDR (3133)
iowrite l RFCR (384)
iowrite l RFDR (3234)
#enable receive filter on all patterns
iowrite l RFCR (RFEN | APAT3 | APAT2 | APAT1 | APAT0)
Example of how to mask out a byte in a pattern:
# write data pattern into buffer 0
iowrite l RFCR (200)
iowrite l RFDR (10002) #mask byte 0 (value = 02)
iowrite l RFCR (202)
iowrite l RFDR (20103) #mask byte 1 (value = 01)
iowrite l RFCR (204)
iowrite l RFDR (30204) #mask byte 0 and 1
byte126
byte 0
byte126
byte 0
byte 126
byte 0
byte 126
byte 2
byte 0
0
3FEh
380h
37Fh
300h
2FEh
280h
27Eh
202h
200h
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