Motorola MC68020 - Page 305

MOTOROLA M68020 USER’S MANUAL INDEX-5
Transfer Status Register and the scanPC
Primitive, 7-44
Transfer to/from Top of Stack Primitive, 7-40
Write to Previously Evaluated Effective
Address Primitive, 7-37
Privilege Level, 2-2
Changing, 2-3
Supervisor Level, 1-4, 2-2
User Level, 1-4, 2-2
Privilege Violation Exception, 6-7, 6-8
Processing States, 2-1
Program Counter (PC), 1-4
Programming Model, 1-4, 7-1, 7-2
— R —
Read Cycle, 5-3, 5-4, 5-8, 5-14, 5-16, 5-18, 5-22,
5-26
Byte Read Cycle, 5-26
Long-Word Read Cycle, 5-26, 8-2
Timing, 5-26
Read-Modify-Write Cycle, 5-3, 5-39, 5-42
Timing, 5-39
Registers
Address Registers, 1-4
CAAR, 1-7, 4-3, 4-4
CACR, 1-7, 4-2, 4-3
Data Registers, 1-4
DFC, 1-7
Internal Cache Holding Register, 5-21
Program Counter (PC), 1-4
SFC, 1-7
SR, 1-7, 4-1
VBR, 1-7
Reset, 4-3
Flowchart, 6-4
Reset Exception, 6-4
RESET Instruction, 7-58
RESET Signal, 3-6, 5-76, 6-4
Reset Exception, 6-4
RESET Instruction, 5-76
RESET Signal, 3-6, 5-76, 6-4
Retry, 5-56
RMC Signal, 3-4, 5-3, 5-39
RTE Instruction, 6-19, 6-24
RTM Instruction, 9-14, 9-16, 9-19
R/ W Signal, 3-4, 5-2, 5-3, 9-5
— S —
S-bit (SR), 1-7, 2-2, 2-3
Save and Restore Operations, 8-40
scanPC, 7-28
Sequencer, 8-2, 8-5
Shift/Rotate Instructions, 8-34
Signal(s), 3-8
A1,A0, 5-2, 5-7, 5-9, 5-21, 9-5
A15–A13, 7-6
A19–A16, 7-6
A31–A24, 4-1, 5-3
Address Bus, 3-2, 5-3
AS, 3-4, 5-2, 5-3
AVEC, 3-5, 5-4, 5-48, 5-53
BERR, 3-7, 5-4, 5-25, 5-53, 5-55, 6-4
BG, 3-6, 5-63, 5-66, 5-70, 5-71
BGACK, 3-6, 5-62, 5-63, 5-66
BR, 3-6, 5-63, 5-66, 5-70
Byte Select Control Signals, 9-5
CDIS, 3-7, 4-3
CLK, 3-7
D31–D0, 3-2, 5-3
DBEN, 3-5, 5-4
DS, 3-4, 5-4, 5-21
DSACK1, DSACK0, 3-5, 5-4, 5-5, 5-24, 5-46,
5-53, 9-5
ECS, 3-4, 5-3
FC2–FC0, 2-4, 3-2, 5-2, 5-3, 5-44, 7-6
Functional Groups, 3-1
HALT, 3-7, 5-4, 5-25, 5-53, 5-60
Input Signal, 5-2
Internal Signal, 5-2
IPEND, 3-5, 6-14
IPL2–IPL0, 3-5, 6-11
OCS, 3-4, 5-3
RESET, 3-6, 5-76, 6-4
RMC, 3-4, 5-3, 5-39
R/W, 3-4, 5-2, 5-3, 9-5
SIZ1, SIZ0, 3-2, 5-2, 5-3, 5-7, 5-9, 5-21, 9-5
Single-Operand Instruction, 8-33
SIZ1, SIZ0 Signals, 3-2, 5-2, 5-3, 5-7, 5-9,
5-21, 9-5
Source Function Code Register (SFC), 1-7
Special-Purpose MOVE Instruction, 8-29
Special Status Word (SSW), 6-21
Spurious Interrupt, 5-48