MC68HC000RC12 Datasheet, PDF (116/189 Pages) Freescale Semiconductor, Inc – 8-/16-/32-Bit Microprocessors User’s Manual

Freescale Semiconductor, Inc.
periods, the number of read cycles, and the number of write cycles, respectively, must be
added to those of the effective address calculation where indicated by a plus sign (+).
Table 7-15. Exception Processing
Execution Times
Exception
Periods
Address Error
94(8/14)
Bus Error
94(8/14)
CHK Instruction
68(8/6)+
Divide by Zero
66(8/6)+
Interrupt
72(9/6)*
Illegal Instruction
62(8/6)
Privilege Violation
62(8/6)
RESET **
64(12/0)
Trace
62(8/6)
TRAP Instruction
62(8/6)
TRAPV Instruction
66(10/6)
+ Add effective address calculation time.
** Indicates the time from when RESET and HALT are first
sampled as negated to when instruction execution starts.
MOTOROLA
M68000 8-/16-/32-BIT MICROPROCESSORS USER'S MANUAL
7-11
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