Table C-1. Number of States Taken by Each Cycle in Instruction Execution
Notes:
1. m: Number of wait states inserted in access to external device.
2. The byte data access cycle to an external device by the MOVFPE and MOVTPE
instructions requires 9 to 16 states since it is synchronized with the E clock. See
the
Hardware Manual for timing details.
Execution Status
Access Location
(instruction cycle)
On-Chip Memory
On-Chip Reg. Field
External Memory
Instruction fetch
S
I
Branch address read
S
J
6
6 + 2m
Stack operation
S
K
2
Byte data access
S
L
3
3 + m
Word data access
S
M
6
6 + 2m
Internal operation
S
N
2
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Содержание H8/300 Series
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