dp83261 National Semiconductor Corporation, dp83261 Datasheet - Page 25

• Manufacturer Part Number: dp83261
• Description: Bmac Device Fddi Media Access Controller
• Manufacturer: National Semiconductor Corporation

6 0 Control Information
Note The MAC Parameter RAM is accessible in Stop mode and in RUN
mode while the MAC Transmitter is in the states T0 T1 or T3 Option ITC and
Option IRR are set and Function BCN and Function CLM are not set Other-
wise a command reject is given (ESR CCE) and the Parameter RAM will not
be read or written
Address
5A – 5F
4A
4B
4C
4D
4E
4F
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
TABLE 6-4 MAC Parameter RAM
Reserved
Reserved
TREQ0
TREQ1
TREQ2
TREQ3
FGM0
FGM1
Name
MLA0
MLA1
MLA2
MLA3
MLA4
MLA5
MSA0
MSA1
GSA0
GLA0
GLA1
GLA2
GLA3
GLA4
TBT0
TBT1
TBT2
TBT3
RES
(Continued)
TREQ(31 – 24)
TREQ(23 – 16)
TREQ(15 – 8)
MLA(47 – 40)
MLA(39 – 32)
MLA(31 – 24)
GLA(47 – 40)
GLA(39 – 32)
GLA(31 – 24)
GLA(23 – 16)
TBT(31 – 24)
TBT(23 – 16)
MLA(23-16)
MSA(15 – 8)
TREQ(7 – 0)
MLA(15 – 8)
GLA(15 – 8)
GSA(15 – 8)
TBT(15 – 8)
FGM(7 – 0)
FGM(F – 8)
MLA(7 – 0)
MSA(7 – 0)
Contents
TBT(7 – 0)
Reserved
Register
25
Address
TABLE 6-4 MAC Parameter RAM (Continued)
6A
6B
6C
6D
7A
7B
7C
7D
60
61
62
63
64
65
66
67
68
69
6E
6F
70
71
72
73
74
75
76
77
78
79
7E
7F
PGM1A
PGM1B
PGM1C
PGM1D
PGM10
PGM11
PGM12
PGM13
PGM14
PGM15
PGM16
PGM17
PGM18
PGM19
PGM1E
PGM1F
PGMA
PGMB
PGMC
PGMD
PGME
PGMF
Name
PGM0
PGM1
PGM2
PGM3
PGM4
PGM5
PGM6
PGM7
PGM8
PGM9
PGM(DF – D8)
PGM(A7 – A0)
PGM(AF – A8)
PGM(B7 – B0)
PGM(BF – B8)
PGM(C7 – C0)
PGM(CF – C8)
PGM(D7 – D0)
PGM(E7 – E0)
PGM(EF – E8)
PGM(8F – 88)
PGM(9F – 98)
PGM(F7 – F0)
PGM(FF – F8)
PGM(1F – 18)
PGM(2F – 28)
PGM(3F – 38)
PGM(4F – 48)
PGM(5F – 58)
PGM(6F – 68)
PGM(7F – 78)
PGM(87 – 80)
PGM(97 – 90)
PGM(17 – 10)
PGM(27 – 20)
PGM(37 – 30)
PGM(47 – 40)
PGM(57 – 50)
PGM(67 – 60)
PGM(77 – 70)
PGM(7 – 0)
PGM(F – 8)
Contents
Register