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Figure 3.3
LSI53C876 Functional Signal Grouping
System
Address
and Data
Interface
Control
Arbitration
PCI Bus
Interface
Error
Reporting
Interrupt
SCSI
Function A
GPIO
SCSI
Function B
GPIO
ROM/Flash
Memory
Interface
3-4
LSI53C876
CLK
RST
AD[31:0]
C_BE/[3:0]
PAR
FRAME/
TRDY/
IRDY/
STOP/
DEVSEL/
IDSEL
REQ/
GNT/
PERR/
SERR/
INTA/
INTB/
A_GPIO0_FETCH/
A_GPIO1_MASTER/
A_GPIO2
A_GPIO3
A_GPIO4
B_GPIO0_FETCH/
B_GPIO1_MASTER/
B_GPIO2
B_GPIO3
B_GPIO4
MAS0/
MAS1/
MAD[7:0]
MWE/
MOE_TESTOUT
MCE/
Signal Descriptions
SCLK
A_SD[15:0]/
A_SDP[1:0]/
A_SC_D/
A_SI_O/
A_SMSG/
A_SREQ/
A_SACK/
A_SBSY/
A_SATN/
A_SRST/
A_SSEL/
A_SDIR[15:0]/
A_SDIRP0/1
A_BSYDIR
A_SELDIR
A_RSTDIR
A_DIFFSENS
A_IGS
A_TGS
B_SD[15:0]/
B_SDP[1:0]/
B_SC_D/
B_SI_O/
B_SMSG/
B_SREQ/
B_SACK/
B_SBSY/
B_SATN/
B_SRST/
B_SSEL/
B_SDIR[15:0]/
B_SDIRP0/1
B_BSYDIR
B_SELDIR
B_RSTDIR
B_DIFFSENS
B_IGS
B_TGS
TESTIN/
TCK
TMS
TDI
TDO
SCSI Function A
SCSI Bus
Interface
A_SCTRL/
SCSI Function A
Differential
Control
SCSI Function B
SCSI Bus
Interface
B_SCTRL/
SCSI Function B
Differential
Control
(256 BGA only)
Test
Interface
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