R5S77631Y266BGV Renesas Electronics America, R5S77631Y266BGV Datasheet - Page 245
R5S77631Y266BGV
Manufacturer Part Number
R5S77631Y266BGV
Description
IC SUPERH MPU ROMLESS 499BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R5S77631Y266BGV.pdf
(2056 pages)
Specifications of R5S77631Y266BGV
Core Processor
SH-4A
Core Size
32-Bit
Speed
266MHz
Connectivity
Audio Codec, I²C, MMC, SCI, SIM, SIO, SSI, USB
Peripherals
DMA, LCD, POR, WDT
Number Of I /o
107
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.15 V ~ 1.35 V
Data Converters
A/D 4x10b; D/A 2x8b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
499-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Available stocks
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Part Number:
R5S77631Y266BGV
Manufacturer:
Renesas Electronics America
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10 000
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6.6.3
The UTLB address array is allocated to addresses H'F600 0000 to H'F60F FFFF in the P4 area. An
address array access requires a 32-bit address field specification (when reading or writing) and a
32-bit data field specification (when writing). Information for selecting the entry to be accessed is
specified in the address field, and VPN, D, V, and ASID to be written to the address array are
specified in the data field.
In the address field, bits [31:20] have the value H'F60 indicating the UTLB address array and the
entry is specified by bits [13:8]. Bit [7] that is the association bit (A bit) in the address field
specifies whether address comparison is performed in a write to the UTLB address array.
In the data field, bits [31:10] indicate VPN, bit [9] indicates D, bit [8] indicates V, and bits [7:0]
indicate ASID.
The following three kinds of operation can be used on the UTLB address array:
1. UTLB address array read
2. UTLB address array write (non-associative)
3. UTLB address array write (associative)
VPN, D, V, and ASID are read into the data field from the UTLB entry corresponding to the
entry set in the address field. In a read, associative operation is not performed regardless of
whether the association bit specified in the address field is 1 or 0.
VPN, D, V, and ASID specified in the data field are written to the UTLB entry corresponding
to the entry set in the address field. The A bit in the address field should be cleared to 0.
When a write is performed with the A bit in the address field set to 1, comparison of all the
UTLB entries is carried out using the VPN specified in the data field and ASID in PTEH. The
usual address comparison rules are followed, but if a UTLB miss occurs, the result is no
operation, and an exception is not generated. If the comparison identifies a UTLB entry
corresponding to the VPN specified in the data field, D and V specified in the data field are
written to that entry. This associative operation is simultaneously carried out on the ITLB, and
if a matching entry is found in the ITLB, V is written to that entry. Even if the UTLB
comparison results in no operation, a write to the ITLB is performed as long as a matching
entry is found in the ITLB. If there is a match in both the UTLB and ITLB, the UTLB
information is also written to the ITLB.
UTLB Address Array
Section 6 Memory Management Unit (MMU)
Rev. 2.00 May 22, 2009 Page 175 of 1982
REJ09B0256-0200
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