MU9C8K64-40TDC Просмотр технического описания (PDF) - Music Semiconductors
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MU9C8K64-40TDC Datasheet PDF : 30 Pages
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Control State Overview
MU9C Binary Routing Coprocessor (RCP) Family
CONTROL STATE OVERVIEW
Table 1: Control State Overview
AC Bus
/W = LOW
PA:AA
Register Read/Write
(32-bit operations)
xxx xxx 000 011
NOP
n/c
xxx nnn 000 100
WR AR {MRnnn}
n/c
xxx nnn 000 110
WR FR {MRnnn}
n/c
xxx nnn 001 000
WR DS {MRnnn}
n/c
xxx xxx 000 111
RESERVED
n/c
xxx nnn 000 101
WRs CR {MRnnn}
n/c
xxx nnn 001 001
WRs MRnnn
n/c
Memory Read/Write
(32-bit operations)
A(12:0)/ A(11:0) [/AV= LOW] WRs aaa
aaa
xxx nnn 000 000
WRs [AR] {MRnnn}
aaa
xxx nnn 100 110
WRs [AR]+ {MRnnn}
aaa
xxx nnn 100 111
WRs [AR]- {MRnnn}
aaa
xxx nnn 000 010
WRs [HPM] {MRnnn}
HPMA
xxx nnn 000 001
WRs [NFA] {MRnnn}
NFA
Data Move
(64-bit operations)
xxx nnn 001 100
MOV [AR],CR {MRnnn} aaa
xxx nnn 001 101
MOV [NFA],CR {MRnnn} NFA
xxx nnn 001 110
MOV [HPM],CR {MRnnn} HPMA
Comparison
(64-bit operations)
xxx nnn 011 000
CMP CR {MRnnn}
HPMA
xxx nnn 011 001
CMPs DQ {MRnnn}
HPMA
xxx nnn 011 010
CMPWs DQ {MRnnn}
HPMA
xxx xxx 011 011
NEXT
HPMA
Validity Bit Control
xxx xxx 100 000
SET V@[AR]
aaa
xxx xxx 100 001
RST V@[AR]
aaa
xxx xxx 100 010
RST V@[HPM]
HPMA
xxx xxx 100 011
RST V@AML
HPMA
Initialization
xxx xxx 111 100
WR PA
n/c
xxx xxx 111 101
RST FF
n/c
xxx xxx 111 111
RST
All 1s
Address Register Control
xxx xxx 100 100
INC AR
n/c
xxx xxx 100 101
DEC AR
n/c
Scope
n/a
AS
AS
AS
n/a
AS
AS
AS
AS
AS
AS
HPD
NFD
AS
NFD
HPD
AS
AS
AS
HPD
AS
AS
HPS
AS
NFD
AS
AS
AS
AS
/W = HIGH
RD NFA
RD AR
RD FR
RD DS
RD SR
RDs CR
RDs MR nnn
RDs aaa
RDs [AR]
RDs [AR]+
RDs [AR]-
RDs [HPM]
RDs [HPM]; NEXT
MOV CR, [AR] {MRnnn}
RESERVED
MOV CR,[HPM] {MRnnn}
RESERVED
RESERVED
RESERVED
RESERVED
RD V@[AR]
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
Key: aaa = Random access address
n/c = No change
All 1s = All PA:AA outputs HIGH
NFA = Next Free address
AS = All selected devices
NFD = Highest-Priority device with a Free location
HPD = Highest-Priority device
s = Segment (L for DSC LOW, H for DSC HIGH)
HPMA = Highest-Priority Match address
S = Selected device
n/a = Not applicable
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.
DSC must be LOW if "s" is not indicated.
PA:AA Scope
n/c
NFD
n/c
S
n/c
S
n/c
S
n/c
HPD/S
n/c
S
n/c
S
aaa
aaa
aaa
aaa
HPMA
HPMA
S
S
S
S
HPD
HPD
aaa
n/c
HPMA
AS
AS
HPD
n/c
n/a
n/c
n/a
n/c
n/a
n/c
n/a
aaa
S
n/c
n/a
n/c
n/a
n/c
n/a
n/c
n/a
n/c
n/a
n/c
n/a
n/c
n/a
n/c
n/a
Rev. 6
15
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