WidePort LANCAM® Family
REGISTER BIT ASSIGNMENTS Continued
27
31
30
29
28
26
17 16
25
24 23
22
21
20 19 18
4485A/L
2485A/L
/MA
/MA
/FL Skip Empty
Page Address Bits, PA14–4
Page Address Bits, PA15–5
Page Address Bits, PA15–6
/MM
/MM
/MM
14
Empty
/FL Skip
/MA
15
/FL Skip Empty
1485A/L
0
10
13
12
11
9
6
5
3
7
4
2
0
8
1
4485A/L
2485A/L
1485A/L
Page Address, PA3–0
Page Address, PA4–0
Page Address, PA5–0
Next Free Address, NF11–0
Next Free Address, NF10–0
Next Free Address, NF9–0
Note: The Next Free Address register is read only, and is accessed by performing
a Command Read cycle immediately following a TCO NF instruction.
Table 11: Next Free Address Register Bit Assignments
31
30
29
28
27
26 25
24 23
22
21
20 19 18 17 16
/MA
/MA
/MM /FL Skip Empty
/MM /FL Skip Empty
4485A/L
2485A/L
1485A/L
Page Address Bits, PA14–4
Page Address Bits, PA15–5
/MA
15
/MM /FL Skip
Empty
Page Address Bits, PA15–6
0
10
14
13
12
11
9
8
7
6
5
4
3
2
0
1
Page Address, PA3–0
4485A/L
2485A/L
1485A/L
Match Address, AM11–0
Match Address, AM10–0
Match Address, AM9–0
Page Address, PA4–0
Page Address, PA5–0
Note: The Status register is read only, and is accessed by performing a Command Read cycle.
Table 12: Status Register Bit Assignments
31
30
29
28
27
26 25
24 23
22
21
20 19 18 17 16
Page Address Bits, PA14–4
Page Address Bits, PA15–5
Page Address Bits, PA15–6
/FL Skip Empty
/MM
/MM
4485A/L
2485A/L
1485A/L
/MA
/MA
/MA
15
Empty
Skip
/FL
Empty
11
/FL Skip
13 12
0
10
/MM
14
1
9
8
7
6
5
4
3
2
0
Device ID = 445 H
Device ID = 245 H
Device ID = 145 H
4485A/L
2485A/L
1485A/L
PS
PS
PS
Note: The Persistent Source register is read only, and is accessed by performing a
Command Read cycle immediately following a TCO PS instruction.
Table 13: Persistent Source Register Bit Assignments
Rev. 2
22
MUSIC [ MUSIC SEMICONDUCTORS ]
