HD6417712BPV Renesas Electronics America, HD6417712BPV Datasheet - Page 241
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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Quantity
Price
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Part Number:
HD6417712BPV
Manufacturer:
Renesas Electronics America
Quantity:
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The object compared varies depending on the page management information (SZ, SH) in the TLB
entry. It also varies depending on whether the system supports multiple virtual memory or single
virtual memory.
The page-size information determines whether VPN (11 to 10) is compared. VPN (11 to 10) is
compared for 1-kbyte pages (SZ = 0) but not for 4-kbyte pages (SZ = 1).
The sharing information (SH) determines whether the PTEH.ASID and the ASID in the TLB entry
are compared. ASIDs are compared when there is no sharing between processes (SH = 0) but not
when there is sharing (SH = 1).
When single virtual memory is supported (MMUCR.SV = 1) and privileged mode is engaged
(SR.MD = 1), all process resources can be accessed. This means that ASIDs are not compared
when single virtual memory is supported and privileged mode is engaged. The objects of address
comparison are shown in figure 5.10.
registered in index mode. When memory is shared by several processings, different pages must
be registered in each ASID.
MMUCR.SV = 1)?
(SR.MD = 1 and
Bits Compared:
VPN 31 to 17
VPN 11 to 10
SH = 1 or
SZ = 0?
Yes
Yes (1-kbyte)
Figure 5.10 Objects of Address Comparison
Bits Compared:
VPN 31 to 17
No (4-kbyte)
No
Bits Compared:
VPN 31 to 17
VPN 11 to 10
ASID 7 to 0
Section 5 Memory Management Unit (MMU)
SZ = 0?
Rev. 1.00 Dec. 27, 2005 Page 197 of 932
Yes (1-kbyte)
Bits Compared:
VPN 31 to 17
ASID 7 to 0
No (4-kbyte)
REJ09B0269-0100
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