HD6417750SF167V Renesas Electronics America, HD6417750SF167V Datasheet - Page 189
HD6417750SF167V
Manufacturer Part Number
HD6417750SF167V
Description
MPU 3V 16K PB-FREE 208-QFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7750r
Datasheet
1.D6417750RBP240DV.pdf
(1164 pages)
Specifications of HD6417750SF167V
Core Processor
SH-4
Core Size
32-Bit
Speed
167MHz
Connectivity
EBI/EMI, FIFO, SCI, SmartCard
Peripherals
DMA, POR, WDT
Number Of I /o
28
Program Memory Type
ROMless
Ram Size
24K x 8
Voltage - Supply (vcc/vdd)
1.6 V ~ 2 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
208-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
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3.7.1
The ITLB address array is allocated to addresses H'F200 0000 to H'F2FF 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, V, and ASID to be written to the address array are
specified in the data field.
In the address field, bits [31:24] have the value H'F2 indicating the ITLB address array, and the
entry is selected by bits [9:8]. As longword access is used, 0 should be specified for address field
bits [1:0].
In the data field, VPN is indicated by bits [31:10], V by bit [8], and ASID by bits [7:0].
The following two kinds of operation can be used on the ITLB address array:
1. ITLB address array read
2. ITLB address array write
Address field
Legend:
VPN:
V:
E:
VPN, V, and ASID are read into the data field from the ITLB entry corresponding to the entry
set in the address field.
VPN, V, and ASID specified in the data field are written to the ITLB entry corresponding to
the entry set in the address field.
Data field
Virtual page number
Validity bit
Entry
ITLB Address Array
31
31
1 1 1 1 0 0 1 0
Figure 3.13 Memory-Mapped ITLB Address Array
24
23
ASID:
:
VPN
Address space identifier
Reserved bits (0 write value, undefined
read value)
Section 3 Memory Management Unit (MMU)
Rev.7.00 Oct. 10, 2008 Page 103 of 1074
10 9 8 7
10 9
9 8 7
E
V
REJ09B0366-0700
ASID
0
0
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