HD6417712BPV Renesas Electronics America, HD6417712BPV Datasheet - Page 255
HD6417712BPV
Manufacturer Part Number
HD6417712BPV
Description
MPU 1.5/3.3V 0K PB-FREE 256-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH Ethernetr
Datasheet
1.HD6417712BPV.pdf
(980 pages)
Specifications of HD6417712BPV
Core Processor
SH-3 DSP
Core Size
32-Bit
Speed
200MHz
Connectivity
EBI/EMI, Ethernet, FIFO, SCI, SIO
Peripherals
DMA, POR, WDT
Number Of I /o
24
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.4 V ~ 1.6 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
256-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
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Part Number
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Quantity
Price
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Part Number:
HD6417712BPV
Manufacturer:
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5.6
In order for TLB operations to be managed by software, TLB contents can be read or written to in
the privileged mode using the MOV instruction. The TLB is assigned to the P4 area in the virtual
address space. The TLB address array (VPN, V bit, and ASID) is assigned to H'F2000000 to
H'F2FFFFFF, and the data array (PPN, PR, SZ, C, D, and SH bits) to H'F3000000 to
H'F3FFFFFF. The V bit in the address array can also be accessed from the data array. Only
longword access is possible for both the address array and the data array. However, the instruction
data cannot be fetched from both arrays.
5.6.1
The address array is assigned to H'F2000000 to H'F2FFFFFF. To access an address array, the 32-
bit address field (for read/write operations) and 32-bit data field (for write operations) must be
specified. The address field specifies information for selecting the entry to be accessed; the data
field specifies the VPN, V bit and ASID to be written to the address array (figure 5.14 (1)).
In the address field, specify the entry address for selecting the entry (bits 16 to 12), W for
selecting the way (bits 9 to 8) and H'F2 to indicate address array access (bits 31 to 24). The IX bit
in MMUCR indicates whether an EX-OR is taken of the entry address and ASID.
The following two operations can be used on the address array:
1. Address array read
2. TLB address array write
5.6.2
The data array is assigned to H'F3000000 to H'F3FFFFFF. To access a data array, the 32-bit
address field (for read/write operations), and 32-bit data field (for write operations) must be
specified. The address section specifies information for selecting the entry to be accessed; the data
section specifies the longword data to be written to the data array (figure 5.14 (2)).
In the address section, specify the entry address for selecting the entry (bits 16 to 12), W for
selecting the way (bits 9 to 8), and H'F3 to indicate data array access (bits 31 to 24). The IX bit in
MMUCR indicates whether an EX-OR is taken of the entry address and ASID.
VPN, V, and ASID are read from the TLB entry corresponding to the entry address and way
set in the address field.
The data specified in the data field are written to the TLB entry corresponding to the entry
address and way set in the address field.
Memory-Mapped TLB
Address Array
Data Array
Section 5 Memory Management Unit (MMU)
Rev. 1.00 Dec. 27, 2005 Page 211 of 932
REJ09B0269-0100
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