HD6417712BPV Renesas Electronics America, HD6417712BPV Datasheet - Page 269
HD6417712BPV
Manufacturer Part Number
HD6417712BPV
Description
MPU 1.5/3.3V 0K PB-FREE 256-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH Ethernetr
Datasheet
1.HD6417712BPV.pdf
(980 pages)
Specifications of HD6417712BPV
Core Processor
SH-3 DSP
Core Size
32-Bit
Speed
200MHz
Connectivity
EBI/EMI, Ethernet, FIFO, SCI, SIO
Peripherals
DMA, POR, WDT
Number Of I /o
24
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.4 V ~ 1.6 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
256-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6417712BPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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6.3.6
Use software to ensure coherency between the cache and the external memory. When memory
shared by this LSI and another device is placed in an address space to which caching applies, use
the memory-mapped cache to make the data invalid and written back, as required. Memory that is
shared by this LSI’s CPU and DMAC should also be handled in this way.
Coherency of Cache and External Memory
PA (31 to 4):
Longword 0 to 3:
PA (31 to 4)
Figure 6.3 Write-Back Buffer Configuration
Longword 0 Longword 1 Longword 2 Longword 3
Physical address written to external memory
One line of cache data to be written to external
memory
Rev. 1.00 Dec. 27, 2005 Page 225 of 932
REJ09B0269-0100
Section 6 Cache
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