R8A77800ANBGAV Renesas Electronics America, R8A77800ANBGAV Datasheet - Page 232
![IC SUPERH MPU ROMLESS 449-BGA](/photos/12/46/124616/r8a77800anbgav_sml.jpg)
R8A77800ANBGAV
Manufacturer Part Number
R8A77800ANBGAV
Description
IC SUPERH MPU ROMLESS 449-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R8A77800ANBGV.pdf
(1342 pages)
Specifications of R8A77800ANBGAV
Core Processor
SH-4A
Core Size
32-Bit
Speed
400MHz
Connectivity
Audio Codec, MMC, Serial Sound, SCI, SIO, SPI, SSI
Peripherals
DMA, POR, WDT
Number Of I /o
75
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.15 V ~ 1.35 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
449-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:
R8A77800ANBGAV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 7 Memory Management Unit (MMU)
7.5.4
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.
Hardware Processing: 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).
Software Processing (Reset Routine): 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.
7.5.5
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.
Hardware Processing: 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.
3. Sets exception code H'040 in the case of a read, or H'060 in the case of a write 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.
Rev.1.00 Dec. 13, 2005 Page 180 of 1286
REJ09B0158-0100
(OCBP, OCBWB: read; OCBI, MOVCA.L: write).
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.
Data TLB Multiple Hit Exception
Data TLB Miss Exception
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