Loading...
D- 2 M68040 USER’S MANUAL MOTOROLA
Stack Pointer
MC68000, MC68008, MC68010 USP, SSP
MC68020, MC68030, MC68040 USP, SSP (MSP, ISP)
Status Register Bits
MC68000, MC68008, MC68010 T, S, I0/I1/I2, X/N/Z/V/C
MC68020, MC68030, MC68040 T0, T1, S, M, I0/I1/I2, X/N/Z/V/C
Function Code/Address Space
MC68000, MC68008 FC2–FC0 = 7 Is Interrupt Acknowledge Only
MC68010, MC68020, MC68030, MC68040 FC2–FC0 = 7 Is CPU Space
MC68040 User, Supervisor, and Acknowledge
Indivisible Bus Cycles
MC68000, MC68008, MC68010 Use AS Signal
MC68020, MC68030 Use RMC Signal
MC68040 Use LOCK and LOCKE Signal
Stack Frames
MC68000, MC68008 Supports Original Set
MC68010 Supports Formats $0, $8
MC68020, MC68030 Supports Formats $0, $1, $2, $9, $A, $B
MC68040 Supports Formats $0, $1, $2, $3, $7
MC68EC040, MC68LC040 Supports Formats $0, $1, $2, $3, $4, $7
Addressing Modes
MC68020, MC68030, and MC68040 Extensions Memory indirect addressing modes, scaled index, and
larger displacements. Refer to specific data sheets
for details.
Loading...
Terms of Use | Privacy Policy | DMCA Policy
2006-2020 Rsmanuals.com