mc68ec020 Freescale Semiconductor, Inc, mc68ec020 Datasheet - Page 16

• Manufacturer Part Number: mc68ec020
• Description: Microprocessors
• Manufacturer: Freescale Semiconductor, Inc

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