
Index-4
SYM53C876/876E Data Manual
Index
FRAME/
,
3-7
Function Complete
,
2-23
Function Complete bit
,
4-53
,
4-55
,
A-8
G
General Purpose I/O pin 0
,
3-10
General purpose I/O pin 1
,
3-10
General Purpose I/O pin 2
,
3-10
General purpose I/O pin 3
,
3-10
General purpose I/O pin 4
,
3-10
General Purpose Pin Control register
,
4-60
,
A-8
General Purpose register
,
4-29
,
A-4
General Purpose Timer Expired bit
,
4-55
,
4-57
,
A-8
General Purpose Timer Period bits
,
4-61
,
A-9
General Purpose Timer Scale Factor bit
,
4-61
,
A-
9
GNT/
,
3-8
GPCNTL register
,
4-60
,
A-8
GPI00_ FETCH/
,
3-10
GPIO Enable bit
,
4-60
,
A-8
GPIO Interface Pins
,
3-10
GPIO1_ MASTER/
,
3-10
GPIO2
,
3-10
GPIO3
,
3-10
GPIO4
,
3-10
GPIO4-0 bits
,
4-29
,
A-4
GPREG register
,
4-29
,
A-4
Grant
,
3-8
H
Halt SCSI Clock bit
,
4-66
,
A-10
Handshake-to-Handshake Timer Bus Activity En-
able bit
,
4-61
,
A-9
Handshake-to-Handshake Timer Expired bit
,
4-
55
,
4-57
,
A-8
Handshake-to-Handshake Timer Period bit
,
4-
60
,
A-9
Hardware Interrupts
,
2-22
High Impedance Mode bit
,
4-42
,
A-6
I
I/O Instructions
,
5-7
I/O Read Command
,
2-4
I/O Space
,
2-3
I/O space
,
2-2
I/O Write Command
,
2-4
IDSEL
,
2-3
,
3-7
IDSEL signal
,
2-4
IGS
,
3-13
,
3-14
Illegal Instruction Detected bit
,
4-32
,
A-5
Immediate Arbitration bit
,
4-23
,
A-3
Initialization Device Select
,
3-7
Initiator Ready
,
3-7
Input
,
3-4
instruction prefetching
,
2-9
Pre-fetch Enable bit
,
4-51
,
A-7
Pre-fetch Flush bit
,
4-51
,
A-7
prefetch unit flushing
,
2-9
instructions
block move
,
5-3
I/O
,
5-7
load and store
,
5-22
memory move
,
5-20
read/write
,
5-12
transfer control
,
5-15
INTA routing enable
,
3-18
INTA/
,
2-22
,
3-9
,
3-18
INTA/ pin
,
2-23
,
2-25
INTB/
,
3-9
,
3-18
Integration
,
1-5
Interface Control Pins
,
3-7
Internal Arbiter
,
2-7
internal RAM, see also SCRIPTS RAM
,
2-9
Internal SCRIPTS RAM
,
2-9
Interrupt A
,
3-9
Interrupt B
,
3-9
Interrupt on the Fly bit
,
4-37
,
A-5
Interrupt Request
,
2-22
Interrupt Status register
,
4-36
,
A-5
Interrupts
,
2-23
interrupts
,
2-21
fatal vs. non-fatal interrupts
,
2-23
halting
,
2-24
IRQ Disable bit
,
2-23
masking
,
2-23
sample interrupt service routine
,
2-24