HD6417750RF200DV Renesas Electronics America, HD6417750RF200DV Datasheet - Page 172
HD6417750RF200DV
Manufacturer Part Number
HD6417750RF200DV
Description
MPU 1.5/3.3V 0K I-TEMP PB-FREE 2
Manufacturer
Renesas Electronics America
Series
SuperH® SH7750r
Datasheet
1.D6417750RBP240DV.pdf
(1164 pages)
Specifications of HD6417750RF200DV
Core Processor
SH-4
Core Size
32-Bit
Speed
200MHz
Connectivity
EBI/EMI, FIFO, SCI, SmartCard
Peripherals
DMA, POR, WDT
Number Of I /o
28
Program Memory Type
ROMless
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
1.35 V ~ 1.6 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
208-QFP Exposed Pad, 208-eQFP, 208-HQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
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Section 3 Memory Management Unit (MMU)
Note: In single virtual memory mode, entries with the same virtual page number (VPN) but
3.4
3.4.1
The unified TLB (UTLB) is so called because of its use for the following two purposes:
1. To translate a virtual address to a physical address in a data access
2. As a table of address translation information to be recorded in the instruction TLB in the event
Information in the address translation table located in external memory is cached into the UTLB.
The address translation table contains virtual page numbers and address space identifiers, and
corresponding physical page numbers and page management information. Figure 3.7 shows the
overall configuration of the UTLB. The UTLB consists of 64 fully-associative type entries. Figure
3.8 shows the relationship between the address format and page size.
Rev.7.00 Oct. 10, 2008 Page 86 of 1074
REJ09B0366-0700
Entry 0
Entry 1
Entry 2
Entry 63
of an ITLB miss
different ASIDs cannot be set in the TLB simultaneously.
TLB Functions
Unified TLB (UTLB) Configuration
ASID [7:0]
ASID [7:0]
ASID [7:0]
ASID [7:0] VPN [31:10] V
VPN [31:10]
VPN [31:10]
VPN [31:10]
Figure 3.7 UTLB Configuration
V
V
V
PPN [28:10]
PPN [28:10]
PPN [28:10]
PPN [28:10] SZ [1:0] SH C PR [1:0]
SZ [1:0]
SZ [1:0]
SZ [1:0]
SH
SH
SH
C
C
C
PR [1:0]
PR [1:0]
PR [1:0]
D
D
D
D WT
WT
WT
WT
SA [2:0]
SA [2:0]
SA [2:0]
SA [2:0] TC
TC
TC
TC
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