R8A77850ANBGV Renesas Electronics America, R8A77850ANBGV Datasheet - Page 217
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
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R8A77850ANBGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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(2)
Resolve the instruction TLB protection violation, execute the exception handling return instruction
(RTE), terminate the exception handling routine, and return control to the normal flow. The RTE
instruction should be issued at least one instruction after the LDTLB instruction.
7.6.4
A data TLB multiple hit exception occurs when more than one UTLB entry matches the virtual
address to which a data access has been made.
When a data TLB multiple hit exception occurs, a reset is executed, and cache coherency is not
guaranteed. The contents of PPN in the UTLB prior to the exception may also be corrupted.
(1)
In the event of a data TLB multiple hit exception, hardware carries out the following processing:
1. Sets the virtual address at which the exception occurred in TEA.
2. Sets exception code H'140 in EXPEVT.
3. Branches to the reset handling routine (H'A000 0000).
(2)
The UTLB entries which caused the multiple hit exception are checked in the reset handling
routine. This exception is intended for use in program debugging, and should not normally be
generated.
7.6.5
A data TLB miss exception occurs when address translation information for the virtual address to
which a data access is made is not found in the UTLB entries. The data TLB miss exception
processing carried out by hardware and software is shown below.
(1)
In the event of a data TLB miss 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.
Software Processing (Instruction TLB Protection Violation Exception Handling
Routine)
Hardware Processing
Software Processing (Reset Routine)
Hardware Processing
Data TLB Multiple Hit Exception
Data TLB Miss Exception
Rev.1.00 Jan. 10, 2008 Page 185 of 1658
7. Memory Management Unit (MMU)
REJ09B0261-0100
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