HD6417041AVF16V Renesas Electronics America, HD6417041AVF16V Datasheet - Page 437
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
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Part Number:
HD6417041AVF16V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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access (mm) of the previous multiplier type instruction, the bus cycle of the MA is extended until
the mm ends. The extended MA becomes a single slot.
The ID of the instruction following a double-length instruction also stalls until one slot later.
Multiplier type instructions and instructions that access the multiply and accumulate calculation
registers have MA stages, so they also contend with IFs. Figure 7.18 shows an example of
multiplier access contention, but it does not address MA and IF contention.
7.2.4
When an instruction that will store the result of a DSP operation instruction is written immediately
after the DSP operation instruction is executed, the execution will be too late. To prevent this, a
stall cycle is inserted. For more information, see section 4.17.2, Single Data Transfers.
Figure 7.18 Example of Multiplier Access Contention—MAC.L and MAC.L Instructions
Next instruction
Contention between Memory Stores and DSP Operations
MAC.L
MAC.L
Slot
IF
ID
IF
EX
—
MA
ID
IF
MA
EX
—
mm
MA
ID
mm
EX
M
Rev. 5.00 Jun 30, 2004 page 421 of 512
mm mm
—
—
A
Section 7 Pipeline Operation
mm
MA
REJ09B0171-0500O
mm
...
mm mm
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