HD6417720BP133BV Renesas Electronics America, HD6417720BP133BV Datasheet - Page 272
HD6417720BP133BV
Manufacturer Part Number
HD6417720BP133BV
Description
SH3-DSP, WITH USB AND LCDC, PB-F
Manufacturer
Renesas Electronics America
Series
SuperH® SH7700r
Datasheet
1.R8A77210C133BAV.pdf
(1478 pages)
Specifications of HD6417720BP133BV
Core Processor
SH-3 DSP
Core Size
32-Bit
Speed
133MHz
Connectivity
FIFO, I²C, IrDA, MMC, SCI, SD, SIO, SIM, USB
Peripherals
DMA, LCD, POR, WDT
Number Of I /o
117
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.4 V ~ 1.6 V
Data Converters
A/D 4x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
256-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
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Section 5 Cache
5.4.3
(1)
Specific cache entries can be invalidated by writing 0 to the entry’s V bit in the memory-mapped
cache access. When the A bit is 1, the tag address specified by the write data is compared to the
tag address within the cache selected by the entry address, and a match is found, the entry is
written back if the entry’s U bit is 1 and the V bit and U bit specified by the write data are written.
If no match is found, there is no operation. In the example shown below, R0 specifies the write
data and R1 specifies the address.
(2)
To read the data field of a specific entry is enabled by the memory-mapped cache access. The
longword indicated in the data field of the data array in figure 5.4 is read into the register. In the
example shown below, R0 specifies the address and R1 shows what is read.
Page 212 of 1414
; R0=H'01100010; VPN=B'0000 0001 0001 0000 0000 00, U=0, V=0
; R1=H'F0000088; address array access, entry=B'00001000, A=1
;
MOV.L R0,@R1
; R0=H'F100 004C; data array access, entry=B'00000100
; Way = 0, longword address = 3
;
MOV.L @R0,R1 ; Longword 3 is read.
Invalidating Specific Entries
Reading the Data of a Specific Entry
Usage Examples
SH7720 Group, SH7721 Group
R01UH0083EJ0400 Rev. 4.00
Sep 21, 2010
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