LANCAM B Family
Next Free Address Bits
Device
1480B
Bit(s)
15:10
9:0
15:11
10:0
15:12
11:0
15:13
12:0
Name
PA5–0
NF9-0
PA4-0
NF10-0
PA3–0
NF11-0
PA2–0
NF12-0
Description
Page Address
Next Free Address
Page Address
Next Free Address
Page Address
Next Free Address
Page Address
Next Free Address
Register Bit Assignments
2480B
4480B
8480B
Note:
The Next Free Address register is read only, and is accessed by performing a Command Read cycle immediately following a TCO
NF instruction.
Status Register Bits
Device
Bit(s)
31
30
All
29:28
Name
/FL
/MM
VB1-0
Description
0 = Internal CAM Full
0 = Internal Multiple Match
00 = Valid
01 = Empty
10 = Skip
11 = RAM
Reserved
Page Address (second read)
Page Address (first read)
Match Address
Page Address (second read)
Page Address (first read)
Match Address
Page Address (second read)
Page Address (first read)
Match Address
Page Address (second read)
Page Address (first read)
Match Address
Match Flag
27
1480B
26:16
15:11
10:1
27:16
2480B
15:12
11:1
27:16
4480B
15:13
12:1
27:16
8480B
15:14
13:1
All
0
0
PA15–5
PA4–0
AM9–0
PA15–4
PA3–0
AM10–0
PA14–3
PA2–0
AM11–0
PA13–2
PA1–0
AM12–0
/MA
Note:
The Status register is read only, and is accessed by performing Command Read cycles. On the first cycle, bits 15–0 are output,
and if a second Command Read cycle is issued immediately after the first Command Read cycle, bits 31–16 are output.
Persistent Source Register Bits
Device
1480B
2480B
4480B
8480B
All
Bit(s)
15:4
15:4
15:4
15:4
3:0
Name
DEVID
DEVID
DEVID
DEVID
PS
Description
Device ID = 141H
Device ID = 240H
Device ID = 440H
Device ID = 840H
Persistent Source Setting
Note:
The Persistent Source register is read only, and is accessed by performing a Command Read cycle immediately following a TCO
PS instruction.
24
Rev. 5.1
MUSIC [ MUSIC SEMICONDUCTORS ]
