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Renesas SuperH Family E10A-USB User Manual

Page 53

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Table 2.12 Measurement Items (cont)

Classification

Type

Measurement Item

Option

Note

Operand bus
performance
(cont)

Waited
cycle

Waited cycles for
operand fetch
(READ)

WOR

The number of wait cycles by a
memory access (read) of an
operand.

Waited cycles for
operand fetch
(WRITE)

WOW

The number of wait cycles by a
memory access (write) of an
operand.

Waited cycles for
operand cache miss
(READ)

WCMR

The number of wait cycles by
an operand cache miss (read)
(however, the number of wait
cycles of cache FIII is included
due to contention).

Waited cycles for
operand cache miss
(WRITE)

WCMW

The number of wait cycles by
an operand cache miss (write).

System bus
performance
(only available
for Ch3 and
Ch4)

System bus

Number of requests

RQ

The number of valid bus cycles
(cells) is counted by the
system bus clock.

Number

of

responses

RS

The number of valid bus cycles
(cells) is counted by the
system bus clock.

Waited cycles for
request

WRQ

The cycles for an issued
request (req), that no
acceptance signal (gnt) is
issued to, are counted by the
system bus clock.

Even if the waits are issued
simultaneously for multiple
requests, they are counted as
1.

Waited cycles for
response

WRS

The cycles for an issued
response (r_req), that no
acceptance signal (r_gnt) is
issued to, are counted by the
system bus clock.

Even if the waits are issued
simultaneously for multiple
requests, they are counted as
1.

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