D6417760BP200ADV Renesas Electronics America, D6417760BP200ADV Datasheet - Page 218
D6417760BP200ADV
Manufacturer Part Number
D6417760BP200ADV
Description
IC SUPER H MPU ROMLESS 256BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7750r
Datasheet
1.D6417760BP200ADV.pdf
(1418 pages)
Specifications of D6417760BP200ADV
Core Processor
SH-4
Core Size
32-Bit
Speed
200MHz
Connectivity
Audio Codec, CAN, EBI/EMI, FIFO, I²C, MFI, MMC, SCI, Serial Sound, SIM, SPI, USB
Peripherals
DMA, LCD, POR, WDT
Number Of I /o
69
Program Memory Type
ROMless
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
1.4 V ~ 1.6 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
256-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
D6417760BP200ADV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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6.4
6.4.1
The SH-4 supports the following MMU functions.
1. The MMU decodes the virtual address to be accessed by software, and performs address
2. The MMU determines the cache access status on the basis of the page management
3. If address translation cannot be performed normally in a data access or instruction access, the
4. If address translation information is not recorded in the ITLB in an instruction access, the
6.4.2
Software processing for the MMU consists of the following:
1. Setting of MMU-related registers. Some registers are also partially updated by hardware
2. Recording, deletion, and reading of TLB entries. There are two methods of recording UTLB
3. MMU exception handling. When an MMU exception occurs, processing is performed based on
6.4.3
A TLB load instruction (LDTLB) is provided for recording UTLB entries. When an LDTLB
instruction is issued, the SH-4 copies the contents of PTEH, PTEL, and PTEA to the UTLB entry
indicated by the URC bit in MMUCR. ITLB entries are not updated by the LDTLB instruction,
and therefore address translation information purged from the UTLB entry may still remain in the
ITLB entry. As the LDTLB instruction changes address translation information, ensure that it is
issued by a program in the P1 or P2 area. The operation of the LDTLB instruction is shown in
figure 6.11.
Rev. 2.00 Feb. 12, 2010 Page 134 of 1330
REJ09B0554-0200
translation by controlling the UTLB/ITLB in accordance with the MMUCR settings.
information read during address translation (C, WT, SA, and TC bits).
MMU notifies software by means of an MMU exception.
MMU searches the UTLB. If the necessary address translation information is recorded in the
UTLB, the MMU copies this information into the ITLB in accordance with the LRUI bit
setting in MMUCR.
automatically.
entries: by using the LDTLB instruction, or by writing directly to the memory-mapped UTLB.
ITLB entries can only be recorded by writing directly to the memory-mapped ITLB. Deleting
or reading UTLB/ITLB entries is enabled by accessing the memory-mapped UTLB/ITLB.
information set by hardware.
MMU Functions
MMU Hardware Management
MMU Software Management
MMU Instruction (LDTLB)
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