MOTOROLA M68020 USER’S MANUAL v
MC68020/EC020 ACRONYM LIST
BCD — Binary-Coded Decimal
CAAR — Cache Address Register
CACR — Cache Control Register
CCR — Condition Code Register
CIR — Coprocessor Interface Register
CMOS — Complementary Metal Oxide Semiconductor
CPU — Central Processing Unit
CQFP — Ceramic Quad Flat Pack
DDMA — Dual-Channel Direct Memory Access
DFC — Destination Function Code Register
DMA — Direct Memory Access
DRAM — Dynamic Random Access Memory
FPCP — Floating-Point Coprocessor
HCMOS — High-Density Complementary Metal Oxide Semiconductor
IEEE — Institute of Electrical and Electronic Engineers
ISP — Interrupt Stack Pointer
LMB — Lower Middle Byte
LRAR — Limited Rate Auto Request
LSB — Least Significant Byte
MMU — Memory Management Unit
MPU — Microprocessor Unit
MSB — Most Significant Byte
MSP — Master Stack Pointer
NMOS — n-Type Metal Oxide Semiconductor
PAL — Programmable Array Logic
PC — Program Counter
PGA — Pin Grid Array
PMMU — Paged Memory Management Unit
PPGA — Plastic Pin Grid Array
PQFP — Plastic Quad Flat Pack
RAM — Random Access Memory
SFC — Source Function Code Register
SP — Stack Pointer
SR — Status Register
SSP — Supervisor Stack Pointer
SSW — Special Status Word
UMB — Upper Middle Byte
USP — User Stack Pointer
VBR — Vector Base Register
VLSI — Very Large Scale Integration
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