HD6417706F133 Renesas Electronics America, HD6417706F133 Datasheet - Page 120
HD6417706F133
Manufacturer Part Number
HD6417706F133
Description
IC SUPERH MPU ROMLESS 176LQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7700r
Datasheet
1.HD6417706F133V.pdf
(751 pages)
Specifications of HD6417706F133
Core Processor
SH-3
Core Size
32-Bit
Speed
133MHz
Connectivity
EBI/EMI, FIFO, SCI, SmartCard
Peripherals
DMA, POR, WDT
Number Of I /o
103
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.75 V ~ 2.05 V
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
176-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
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Section 3 Memory Management Unit (MMU)
3.5
There are four MMU exceptions: TLB miss, TLB protection violation, TLB invalid, and initial
page write.
3.5.1
A TLB miss results when the virtual address and the address array of the selected TLB entry are
compared and no match is found. TLB miss exception processing includes both hardware and
software operations.
Hardware Operations: In a TLB miss, this LSI's 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'040 for a load access, or H'060 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 the status register (SR) at the time of the exception are written to the save
6. The mode (MD) bit in SR is set to 1, and switched to the privileged mode.
7. The block (BL) bit in SR is set to 1 to mask any further exception requests.
8. The register bank (RB) bit in SR is set to 1.
9. The RC field in the MMUCR is incremented by 1 when all entries indexed are valid. When
10. Execution branches to the address obtained by adding the value of the VBR contents and
Rev. 5.00 May 29, 2006 page 70 of 698
REJ09B0146-0500
EXPEVT register.
written to the save program counter (SPC). If the exception occurred in a delay slot, the PC
value indicating the address of the related delayed branch instruction is written to the SPC.
status register (SSR).
some entries indexed are invalid, the smallest way number of them is set in RC.
H'00000400 to invoke the user-written TLB miss exception handler.
MMU Exceptions
TLB Miss Exception
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