mu9c4320l-90tdi Music Semiconductors, Inc., mu9c4320l-90tdi Datasheet - Page 19

• Manufacturer Part Number: mu9c4320l-90tdi
• Description: Mu9c4320l Atmcam
• Manufacturer: Music Semiconductors, Inc.

Rev. 3
Control State Overview
CONTROL STATE OVERVIEW
Table 1: Control State Overview
Write/Read Memory
Write/Read Register
Data Move
Comparison
Set Validity
Address Register Control
VP Table Control
Initialization
Key: aaa = Random access address
A11–0 [/AV = LOW]
xxx nnn 000 000
xxx nnn 100 110
xxx nnn 100 111
xxx nnn 000 001
xxx nnn 000 010
xxx nnn 000 100
xxx xxx 000 011
xxx nnn 000 110
xxx nnn 001 000
xxx xxx 000 111
xxx nnn 000 101
xxx nnn 001 001
xxx nnn 001 100
xxx nnn 001 101
xxx nnn 001 110
xxx nnn 011 000
xxx nnn 011 001
xxx nnn 011 010
xxx xxx 011 011
xxx xxx 100 000
xxx xxx 100 001
xxx xxx 100 010
xxx xxx 100 011
xxx xxx 100 100
xxx xxx 100 101
xxx xxx 101 000
xxx xxx 101 001
xxx xxx 111 100
xxx xxx 111 101
xxx xxx 111 111
All 1s = All PA:AA outputs HIGH
AS = All selected devices
HPD = Highest-Priority device
HPMA = Highest-Priority Match address
The ‘Scope’ of a control state describes which devices respond in a multi-CAM system.
The ‘PA:AA’ field describes what is output on the PA3–0:AA11–0 bus as a result of the control state.
/AV is HIGH unless otherwise noted.
/W = LOW
WR aaa
WR [AR] {MRnnn}
WR [AR]+ {MRnnn}
WR [AR]- {MRnnn}
WR [NFA] {MRnnn}
WR [HPM] {MRnnn}
WR AR {MRnnn}
NOP
WR FR {MRnnn}
WR DS {MRnnn}
RESERVED
WR CR {MRnnn}
WR MRnnn
MOV [AR],CR {MRnnn}
MOV [NFA],CR {MRnnn}
MOV [HPM],CR {MRnnn}
CMP CR {MRnnn}
CMP DQ {MRnnn}
CMPW DQ {MRnnn}
INC MA
SET V@[AR]
RST V@[AR]
RST V@[HPM]
RST V@AML
Inc AR
Dec AR
SET VP@[AR]
RST VP@[AR]
WR PA
RST FF
RST
n/a = Not applicable
n/c = No change
NFA = Next Free address
NFD = Highest-Priority device with a Free location
S = Selected device
19
PA:AA
aaa
aaa
aaa
aaa
NFA
HPMA
n/c
n/c
n/c
n/c
n/c
n/c
n/c
aaa
NFA
HPMA
HPMA
HPMA
HPMA
HPMA
aaa
aaa
HPMA
HPMA
n/c
n/c
aaa
aaa
n/c
n/c
All 1s
Scope
AS
AS
AS
AS
NFD
HPD
AS
AS
AS
AS
AS
AS
NFD
HPD
AS
AS
AS
HPD
AS
AS
AS
AS
AS
AS
AS
AS
AS
n/a
n/a
HPD
NFD
/W = HIGH
RD aaa
RD [AR]
RD [AR]+
RD [AR]-
RD [HPM]; INC MA
RD [HPM]
RD AR
RD NFA
RD FR
RD DS
RD SR
RD CR
RD MRnnn
MOV CR,[AR] {MRnnn}
RESERVED
MOV CR,[HPM] {MRnnn}
RESERVED
RESERVED
RESERVED
RESERVED
RD V@[AR]
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RD VP@[AR]
RESERVED
RESERVED
RESERVED
RESERVED
MU9C4320L ATMCAM
PA:AA
aaa
aaa
aaa
aaa
HPMA
HPMA
n/c
n/c
n/c
n/c
n/c
n/c
n/c
aaa
n/c
HPMA
n/c
n/c
n/c
n/c
aaa
n/c
n/c
n/c
n/c
n/c
aaa
n/c
n/c
n/c
n/c
S
S
S
S
HPD
S
S
S
HPD/S
S
S
AS
HPD
S
S
Scope
HPD
NFD
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a