R8A77850ANBGV Renesas Electronics America, R8A77850ANBGV Datasheet - Page 216
R8A77850ANBGV
Manufacturer Part Number
R8A77850ANBGV
Description
IC SUPERH MPU ROMLESS 436-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R8A77850AADBGV.pdf
(1694 pages)
Specifications of R8A77850ANBGV
Core Processor
SH-4A
Core Size
32-Bit
Speed
600MHz
Connectivity
Audio Codec, MMC, Serial Sound, SCI, SIO, SPI, SSI
Peripherals
DMA, POR, WDT
Number Of I /o
108
Program Memory Type
ROMless
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
1 V ~ 1.2 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
436-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:
R8A77850ANBGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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7. Memory Management Unit (MMU)
3. In TLB compatible mode, execute the LDTLB instruction and write the contents of PTEH and
4. Finally, execute the exception handling return instruction (RTE) to terminate the exception
For the execution of the LDTLB instruction, see section 7.10.1, Note on Using LDTLB
Instruction.
7.6.3
An instruction TLB protection violation exception occurs when, even though an ITLB entry
contains address translation information matching the virtual address to which an instruction
access is made, the actual access type is not permitted by the access right specified by the PR or
EPR bit. The instruction TLB protection violation exception processing carried out by hardware
and software is shown below.
(1)
In the event of an instruction TLB protection violation exception, hardware carries out the
following processing:
1. Sets the VPN of the virtual address at which the exception occurred in PTEH.
2. Sets the virtual address at which the exception occurred in TEA.
3. Sets exception code H'0A0 in EXPEVT.
4. Sets the PC value indicating the address of the instruction at which the exception occurred in
5. Sets the SR contents at the time of the exception in SSR. The R15 contents at this time are
6. Sets the MD bit in SR to 1, and switches to privileged mode.
7. Sets the BL bit in SR to 1, and masks subsequent exception requests.
8. Sets the RB bit in SR to 1.
9. Branches to the address obtained by adding offset H'0000 0100 to the contents of VBR, and
Rev.1.00 Jan. 10, 2008 Page 184 of 1658
REJ09B0261-0100
PTEL to the TLB.
In TLB extended mode, execute the LDTLB instruction and write the contents of PTEH,
PTEL, PTEA to the UTLB.
handling routine and return control to the normal flow. The RTE instruction should be issued
at least one instruction after the LDTLB instruction.
SPC. If the exception occurred at a delay slot, sets the PC value indicating the address of the
delayed branch instruction in SPC.
saved in SGR.
starts the instruction TLB protection violation exception handling routine.
Hardware Processing
Instruction TLB Protection Violation Exception
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