HD6417712BPV Renesas Electronics America, HD6417712BPV Datasheet - Page 250
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
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Part Number:
HD6417712BPV
Manufacturer:
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Section 5 Memory Management Unit (MMU)
1. Write the value of the physical page number (PPN) field and the protection key (PR), page size
2. If using software for way selection for entry replacement, write the desired value to the RC
3. Issue the LDTLB instruction to load the contents of PTEH and PTEL into the TLB.
4. Issue the return from exception handler (RTE) instruction to terminate the handler routine and
5.5.2
A TLB protection violation exception results when the virtual address and the address array of the
selected TLB entry are compared and a valid entry is found to match, but the type of access is not
permitted by the access rights specified in the PR field. TLB protection violation exception
processing includes both hardware and software operations.
Hardware Operations: In a TLB protection violation exception, this hardware executes a set of
prescribed operations, as follows:
1. The VPN field of the virtual address causing the exception is written to the PTEH register.
2. The virtual address causing the exception is written to the TEA register.
3. Either exception code H'0A0 for a load access, or H'0C0 for a store access, is written to the
4. The PC value indicating the address of the instruction in which the exception occurred is
5. The contents of SR at the time of the exception are written to SSR.
6. The MD bit in SR is set to 1 to place the privileged mode.
7. The BL bit in SR is set to 1 to mask any further exception requests.
8. The RB bit in SR is set to 1.
9. The way that generated the exception is set in the RC field in MMUCR.
10. Execution branches to the address obtained by adding the value of the VBR contents and
Software (TLB Protection Violation Handler) Operations: Software resolves the TLB
protection violation and issues the RTE (return from exception handler) instruction to terminate
the handler and return to the instruction stream. Issue the RTE instruction after issuing two
instructions from the LDTLB instruction.
Rev. 1.00 Dec. 27, 2005 Page 206 of 932
REJ09B0269-0100
(SZ), cacheable (C), dirty (D), share status (SH), and valid (V) bits of the page table entry
recorded in the address translation table in the external memory into the PTEL register.
field in MMUCR.
return to the instruction stream.
EXPEVT register.
written into SPC (if the exception occurred in a delay slot, the PC value indicating the address
of the related delayed branch instruction is written into SPC).
H'00000100 to invoke the TLB protection violation exception handler.
TLB Protection Violation Exception
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