DS72011RB120FPV Renesas Electronics America, DS72011RB120FPV Datasheet - Page 219
![IC SH7201 MPU ROMLESS 176LQFP](/photos/28/61/286154/176-lqfp_sml.jpg)
DS72011RB120FPV
Manufacturer Part Number
DS72011RB120FPV
Description
IC SH7201 MPU ROMLESS 176LQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7200r
Datasheet
1.R0K572011S000BE.pdf
(1222 pages)
Specifications of DS72011RB120FPV
Core Size
32-Bit
Core Processor
SH-2A
Speed
120MHz
Connectivity
CAN, EBI/EMI, FIFO, I²C, SCI, Serial Sound
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
104
Program Memory Type
ROMless
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 70°C
Package / Case
176-LQFP
No. Of I/o's
109
Ram Memory Size
32KB
Cpu Speed
120MHz
Digital Ic Case Style
LQFP
Supply Voltage Range
3V To 3.6V
Operating Temperature Range
-20°C To +70°C
Embedded Interface Type
I2C, SSI
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
R0K572011S000BE - KIT STARTER FOR SH7201HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)
Eeprom Size
-
Program Memory Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DS72011RB120FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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SH7201 Group
8.3.2
(1)
In a read access, data is transferred from the cache to the CPU. LRU is updated so that the hit way
is the latest.
(2)
An external bus cycle starts and the entry is updated. The way replaced follows table 8.4. Entries
are updated in 16-byte units. When the desired data that caused the miss is loaded from external
memory to the cache, the data is transferred to the CPU in parallel with being loaded to the cache.
When it is loaded in the cache, the V bit is set to 1, and LRU is updated so that the replaced way
becomes the latest. In operand cache, the U bit is additionally cleared to 0. When the U bit of the
entry to be replaced by updating the entry in write-back mode is 1, the cache update cycle starts
after the entry is transferred to the write-back buffer. After the cache completes its update cycle,
the write-back buffer writes the entry back to the memory. The write-back unit is 16 bytes.
8.3.3
(1)
LRU is updated so that the hit way becomes the latest. The contents in other caches are not
modified. No data is transferred to the CPU.
(2)
No data is transferred to the CPU. The way to be replaced follows table 8.3. Other operations are
the same in case of read miss.
8.3.4
(1)
In a write access in write-back mode, the data is written to the cache and no external memory
write cycle is issued. The U bit of the entry written is set to 1 and LRU is updated so that the hit
way becomes the latest.
In write-through mode, the data is written to the cache and an external memory write cycle is
issued. The U bit of the written entry is not updated and LRU is updated so that the replaced way
becomes the latest.
R01UH0026EJ0300 Rev. 3.00
Sep 24, 2010
Read Hit
Read Miss
Prefetch Hit
Prefetch Miss
Write Hit
Read Access
Prefetch Operation (Only for Operand Cache)
Write Operation (Only for Operand Cache)
Section 8 Cache
Page 191 of 1190
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