
IX-2
Index
interrupt
enable (DIEN)
4-49
interrupt pending (DIP)
4-41
mode (DMODE)
4-47
next address (DNAD)
4-45
SCRIPTS
pointer (DSP)
4-45
pointer save (DSPS)
4-46
DMA core
2-2
E
enable parity checking bit
4-5
enable parity generation/pass-through bit
4-5
extra clock cycle of data setup bit
4-6
F
fetch
pin mode (FM)
4-42
flush DMA FIFO (FLF)
4-42
functional description
DMA core
2-2
SCRIPTS processor
2-2
SCSI core
2-1
H
halt SCSI clock (HSC)
4-27
high impedance mode bit
4-31
host bus multiplex mode bit
4-30
host interface
misaligned transfers
2-11
I
I/O instructions
disconnect
5-12
relative addressing
5-15
table indirect addressing
5-15
illegal instruction detected (IID)
4-49
initiator mode
5-13
instructions
format
5-2
interrupt
status (ISTAT)
4-38
interrupt handling
2-21
to
2-26
registers
2-21
sample interrupt service routine
2-25
stacked interrupts
2-24
interrupt instruction
5-25
interrupts
2-21
to
2-26
hardware vs. polling
2-21
registers
2-21
sample interrupt service routine
2-25
stacked interrupts
2-24
J
jump instruction
5-23
L
lost arbitration bit
4-24
M
master
control for set or reset pulses (MASR)
4-33
memory move instructions
read/write system memory
5-31
misaligned transfers
2-11
multithreaded operation
2-27
P
parity
AAP bit
4-5
EPC bit
4-5
EPG bit
4-5
polling and hardware interrupts
2-21
R
read-modify-write operations
SFBR register
4-16
register bits
AAP
4-5
ADB
4-7
AESP
4-8
AIP
4-24
arbitration in progress
4-24
arbitration mode bits
4-3
assert ATN/ on parity error
4-5
assert even SCSI parity
4-8
assert SCSI data bus
4-7
assert SCSI RST/
4-7
cache burst disable
4-35
CDIS
4-35
CON
4-7
connected
4-7
enable parity checking
4-5
enable parity generation/pass-through
4-5
EPC
4-5
EPG
4-5
EXC
4-6
extra clock cycle of data setup
4-6
high impedance mode
4-31
host bus multiplex mode
4-30
LOA
4-24
lost arbitration
4-24
MUX
4-30
RST
4-7
SC[1:0]
4-35
SCSI C_D/ signal
4-25
SCSI I_O/ signal
4-25
SCSI MSG/ signal
4-25
SCSI RST/ signal
4-24
select with ATN on start sequence
4-5
snoop control
4-35
start sequence
4-4
target mode
4-6
TRG
4-6
WATN
4-5
WOA
4-24
won arbitration
4-24
ZMOD
4-31
register map
A-1
registers
SBCL
4-17