HD6417041AVF16V Renesas Electronics America, HD6417041AVF16V Datasheet - Page 432
HD6417041AVF16V
Manufacturer Part Number
HD6417041AVF16V
Description
IC SUPERH MCU ROMLESS 144QFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7040r
Specifications of HD6417041AVF16V
Core Processor
SH-2
Core Size
32-Bit
Speed
28.7MHz
Connectivity
EBI/EMI, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
98
Program Memory Type
ROMless
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
144-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6417041AVF16V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 7 Pipeline Operation
position when the bottom 2 bits of instruction address are 00 is A1 = 0 and A0 = 0) because the
MA of the instruction falls in the same slot as ifs that follow.
Relationship between Position of Instructions Located in On-Chip Memory and Contention
between IF and MA: When an instruction is located in on-chip memory, there are instruction
fetch stages (“if”, written in lower case) that do not generate bus cycles. When an if is in
contention with an MA, the slot will not split, as it does when an IF and an MA are in contention,
because ifs and MAs can be executed simultaneously. Such slots execute in the number of cycles
the MA requires for memory access.
When programming, avoid contention of MA and IF whenever possible and pair MAs with ifs to
increase the instruction execution speed.
Rev. 5.00 Jun 30, 2004 page 416 of 512
REJ09B0171-0500O
(On-chip memory
Instruc-
Instruc-
Instruc-
or on-chip cache)
Figure 7.8 Relationship Between the Location of Instructions in On-Chip Memory and
tion 1
tion 3
tion 5
32 bits
MA in slot A is in contention with an if, so no split occurs.
MA in slot B is in contention with an IF, so it splits.
Instruc-
Instruc-
Instruc-
tion 2
tion 4
tion 6
... Instruction 1
... Instruction 3
... Instruction 5
Instruction 2
Instruction 4
Instruction 6
Contention Between IF and MA
IF
ID
if
EX
ID
IF
IF
if
MA WB
EX
ID
A
if
: Splits
: Does not split
MA WB
—
—
B
EX
ID
IF
EX
ID
if
EX
ID
EX
: Slot
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