D17760BP200AD Renesas Electronics America, D17760BP200AD Datasheet - Page 260
D17760BP200AD
Manufacturer Part Number
D17760BP200AD
Description
IC SUPERH MPU ROMLESS 256-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7750r
Datasheet
1.D6417760BP200ADV.pdf
(1418 pages)
Specifications of D17760BP200AD
Core Processor
SH-4
Core Size
32-Bit
Speed
200MHz
Connectivity
Audio Codec, CAN, EBI/EMI, FIFO, I²C, MFI, MMC, SCI, Serial Sound, SIM, SPI, USB
Peripherals
DMA, LCD, POR, WDT
Number Of I /o
69
Program Memory Type
ROMless
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
1.4 V ~ 1.6 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
256-BGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
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The following three kinds of operation can be used on the OC address array:
1. OC address array read
2. OC address array write (non-associative)
3. OC address array write (associative)
Rev. 2.00 Feb. 12, 2010 Page 176 of 1330
REJ09B0554-0200
The tag, U bit, and V bit are read into the data field from the OC entry corresponding to the
way and entry set in the address field. In a read, associative operation is not performed
regardless of whether the association bit specified in the address field is 1 or 0.
The tag, U bit, and V bit specified in the data field are written to the OC entry corresponding to
the way and entry set in the address field. The A bit in the address field should be cleared to 0.
When a write is performed to a cache line for which the U bit and V bit are both 1, after write-
back of that cache line, the tag, U bit, and V bit specified in the data field are written.
When a write is performed with the A bit in the address field set to 1, the tag for each of the
ways stored in the entry specified in the address field is compared with the tag specified in the
data field. The way number set by bit [14] is not used. If the MMU is enabled at this time,
comparison is performed after the virtual address specified by data field bits [31:10] has been
translated to a physical address using the UTLB. If the addresses match and the V bit for that
way is 1, the U bit and V bit specified in the data field are written into the OC entry. In other
cases, no operation is performed. This operation is used to invalidate a specific OC entry. If the
OC entry U bit is 1, and 0 is written to the V bit or to the U bit, write-back is performed. If a
UTLB miss occurs during address translation, or the comparison shows a mismatch, an
exception is not generated, no operation is performed, and the write is not executed. If a data
TLB multiple hit exception occurs during address translation, processing switches to the data
TLB multiple hit exception handling routine.
Address field
Data field
Figure 7.11 Memory-Mapped OC Address Array
31
31
U
V
A
1 1 1 1 0 1 0 0
: Validity bit
: Dirty bit
: Association bit
: Reserved bits (write value should be 0, and read value is undefined )
24
23
Tag
15
14
Way
13
10 9
Entry
5 4 3 2 1 0
A
2
U
1 0
V
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